Log In Log In  |  Checkout   |  162 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SC209, Specialty Filter Nitrate Removal Filter
5 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special Filter Kit Koolermax dealer distribution kit
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x *Discontinued* RO155C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x *Discontinued* RO155
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x bulk201, Sediment Filter
1 x 720, Feed Water Adapter with Needle Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x *Discontinued* RD150
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 723, Feed Water Adapter with Ball Valve
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x bulkc10, Koolermax Carbon Block Filter
1 x *Discontinued* RD106
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x bulk213, Inline Carbon Filter
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction

View Cart$8,464.24
Specials Log InCreate Account Checkout  Shopping Cart162 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SC209, Specialty Filter Nitrate Removal Filter
5 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special Filter Kit Koolermax dealer distribution kit
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x *Discontinued* RO155C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x *Discontinued* RO155
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x bulk201, Sediment Filter
1 x 720, Feed Water Adapter with Needle Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x *Discontinued* RD150
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 723, Feed Water Adapter with Ball Valve
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x bulkc10, Koolermax Carbon Block Filter
1 x *Discontinued* RD106
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x bulk213, Inline Carbon Filter
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction

View Cart$8,464.24

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G [531]

$45.00

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G



* 531, RO Storage Pressure Tank, 3 Gallon, for replacement of Honeywell or Filtercold small blue tank

* Specification:
White color, outside volume 2 gallons, inside bladder holds about 2 gallons @ 60 psi input pressure

* Dimension: 9" diameter, 14" height, 1/4"MPT inlet connection

* Material:
Outside is steel, inside is a FDA approved food grade bladder. Stainless steel connection on top. Purified water only come in contact with bladder and the stainless steel connector on top. The tank is pre-charged to 7 psi.

* Meets NSF standard 58.

* Tank valve is included.

* Recommended changing every 5 to 7 years



If you'd like to know more.....
A pressure tank is used in RO systems to accumulate water and provide pressure at dispensing faucet. It has a water bladder inside the tank that holds the purified water, and outside the bladder is the compressed air. When you dispense water, the compressed air squeezes the bladder and forces the water out with pressure. You can connect several tanks together also to provide more water.

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