Log In Log In  |  Checkout   |  174 item(s)
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
8 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RD150
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 706, Membrane Filter Casing Housing Assembly
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x 752, DC Booster Pump w/ Transformer
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ200, Flow Restrictor 200ML / min
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x EMT-10, Empty Filter Cartridge Casing Housing
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 720, Feed Water Adapter with Needle Valve
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 719, Drain Saddle Clamp / Valve
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x bulk205, Carbon Block Filter
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulk201, Sediment Filter

View Cart$7,178.62
Specials Log InCreate Account Checkout  Shopping Cart174 item(s)
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
8 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RD150
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 706, Membrane Filter Casing Housing Assembly
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x 752, DC Booster Pump w/ Transformer
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ200, Flow Restrictor 200ML / min
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x EMT-10, Empty Filter Cartridge Casing Housing
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 720, Feed Water Adapter with Needle Valve
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 719, Drain Saddle Clamp / Valve
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x bulk205, Carbon Block Filter
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulk201, Sediment Filter

View Cart$7,178.62
FilterDirect specializes in Water Filtration products! We are the one stop shop for all Reverse Osmosis Systems, Filters,
Accessories, Whole House systems, Water Softner, UV Ultraviolet Sterilization, Booster Pump and Permeate Pump solutions.
To start, look for the RO systems available in your application or area of use. Models vary based on source water supply.
For Replacement Filters, select from various brands first, then select models to see the list of filters.

** Free Shipping on orders over $99 shipped to U.S. 48 states only **


AquariumRO Aquarium Reef RO + DI
Reverse Osmosis purification systems
AR104H,AR122,AR125,DI210,RD106
AR150P,RD322,RO260,RD102
DrinkingRO Drinking Water RO + ALKALINE
Reverse Osmosis purification systems
K5,K5NTF,K6ALK,AR125,RO585
K5150P,K6150P,AR150P,RO260,RO155
AeroponicsRO Aeroponics Hydroponics RO
Reverse Osmosis purification systems
RO155,RO155C,
HK120,RO260
CounterTopSystem CounterTop Single stage unit
Water purification systems
SW1,SW1C, UC7000,CT6000,NM5000
WholeHouseSystem Whole House Systems
Entire House Water purification systems
WH5,WH10,WH20,WH25,WH250
WH22201,WH1134,Water Softner:ACF150T,WS150M
DispensingFaucet Faucets, Water Spout
Dispensing faucet for pure water output
Designer faucets: KF310,KF320,KF335,KF351,
KF355,KF511,KF612,
ReplacementFilter Replacement Filters & Housing Canisters
RO System Filters for different brands & models
Honeywell Systems, Whole House Filters
Specialty Filters, Filter Housing Canisters
WaterTester Tester & Meter & Monitor
Water quality TDS meter
Digital pressure testers
Pressure gauges, Flow meters
BoosterPump Pumps for different applications
Whole house pumps, Aquatec pumps
Booster pumps, Permeate pumps
Delivery pumps for water transfer to refrigerator
FittingValve Fittings & Valves
Quick connect or Compression fittings of all types
Union connectors,Float Valves,Solenoid ESO,TSO
Accessories Accessories
UV System, Ice Maker Hookup Kit
Pressure Regulator, Pressure Switch
Components Components
Components and parts in RO systems
Storage Tank, Manual Flush Valve, Installation Parts Bag
Tubing, Housing Wrench, Connectors
FilterHousingCanister Filter Housing, Canister
Standard Filter Assembly 701,701C,706,K701,K701C
WholeHouse Big Blue Filter Housing
SupportManual Support Manuals
Download Installation Manuals
Guidelines and Procedures

Whole House Water Filters, More

Save the money and get even cleaner fluids with products from FilterDirect. The sediment filters included with our high-efficient RO systems remove contaminants left behind from municipal or well filtration processes. Plus, in the long run, this investment costs less and is more effective than bottled products. Our reverse osmosis home systems are so efficient and economical to maintain, you'll never again be without safe, great-tasting fluids. In conjuction with the RO water systems, a water booster pump is used to help increase the input water pressure to help the system produce water. We also have a water filter faucet to fit your kitchen to add style with your new RO water system.

For even broader protection, whole house water filters are also available for large-scale filtering. One installed on the main incoming pipe will filter everything coming into the home. You may even be surprised how affordable these systems can be, especially when stacked up against bottled liquids and other products. You can buy one durable unit that will provide filtering for the entire household for years to come.

FilterDirect also has products to help you care for your fish. Our aquarium RO filters are perfect for fish owners who are concerned about heavy metals in their tap supply that can damage the delicate balance of a marine microhabitat. We encourage you to get to know more about how our filtration systems work, as well as the practical applications of each. And, if you're still unsure what direction to take in your own water purification quest, contact us.


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