Log In Log In  |  Checkout   |  142 item(s)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585ERP
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x *Discontinued* RD102
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RD150
1 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)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 706, Membrane Filter Casing Housing Assembly
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x *Discontinued* RO585NTF
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x *Discontinued* RO585A
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
2 x *Discontinued* RD106
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
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 .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RO585
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)

View Cart$9,533.48
Specials Log InCreate Account Checkout  Shopping Cart142 item(s)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585ERP
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x *Discontinued* RD102
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RD150
1 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)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 706, Membrane Filter Casing Housing Assembly
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x *Discontinued* RO585NTF
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x *Discontinued* RO585A
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
2 x *Discontinued* RD106
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
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 .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RO585
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)

View Cart$9,533.48

APL, Tubing Plug Tube Plug [APL]

$1.50

APL, Tubing Plug Tube Plug



* APL, Tubing Plug OD Tube Plug

* Please choose size from the selection box below. The number represents size of tubing OD Outside Diameter. (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD APL04
* 3/8" Tube OD APL06
* 1/2" Tube OD APL07


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* We carry different fittings in variation of sizes: 1/4", 3/8", or 1/2" adapters, connectors, fittings, or valves.  Most are not listed online, to avoid confusion to majority of RO system customers.  

* Send us a message with specification, intended application, and image of your setup or old fitting  to check if we have what you need. 

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Size:

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