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2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FRQ550, Flow Restrictor 500 to 600ML / min
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x MK420, Maintenance kit for RO565
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x 723, Feed Water Adapter with Ball Valve
1 x bulk205, Carbon Block Filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x WS-150M, Whole House Water Softener
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x bulk201, Sediment Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x *Discontinued* RD106
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FRQ850, Flow Restrictor 850ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x PE Tubing Tube Cutter
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 565, Digital Pressure Gauge Tester Monitor

View Cart$9,247.49
Specials Log InCreate Account Checkout  Shopping Cart121 item(s)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FRQ550, Flow Restrictor 500 to 600ML / min
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x MK420, Maintenance kit for RO565
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x 723, Feed Water Adapter with Ball Valve
1 x bulk205, Carbon Block Filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x WS-150M, Whole House Water Softener
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x bulk201, Sediment Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x *Discontinued* RD106
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FRQ850, Flow Restrictor 850ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x PE Tubing Tube Cutter
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 565, Digital Pressure Gauge Tester Monitor

View Cart$9,247.49

AFAU, Female Adapter for Faucet, Refrigerator Ice Maker 1/4 3/8 [AFAU]

$3.50

AFAU, Female Adapter for Faucet, Refrigerator Ice Maker 1/4 3/8



* AFAU, AFAU, Female Adapter for Faucet, Refrigerator Ice Maker connection to the RO system

* UNS Thread, Cone Type

* This fitting is commonly used to connect RO system to drinking water faucet or Refrigerator Ice Maker. (Tube OD 1/4" or 3/8" selection below)

* Please choose size from the selection box below. First number is tubing OD Outside Diameter and second number is UNS Thread. (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 x 7/16"-24 UNF Thread AFAU047
* 3/8" Tube OD x 7/16"-24 UNF Thread AFAU067


* 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. 

Available Options:

Size Combination:

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