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1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
2 x 752, DC Booster Pump w/ Transformer
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x *Discontinued* RD150
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x *Discontinued* RO6ALK
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 706, Membrane Filter Casing Housing Assembly
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart$8,591.89
Specials Log InCreate Account Checkout  Shopping Cart110 item(s)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
2 x 752, DC Booster Pump w/ Transformer
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x *Discontinued* RD150
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x *Discontinued* RO6ALK
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 706, Membrane Filter Casing Housing Assembly
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart$8,591.89

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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