Log In Log In  |  Checkout   |  91 item(s)
1 x 578, TDS Water Quality Meter tds-3
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD106
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x *Discontinued* RO585A
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 719, Drain Saddle Clamp / Valve
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-P-TK for USA 110V / 60Hz
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO6ALK
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x bulksf05, Koolermax Sediment Filter

View Cart$7,715.94
Specials Log InCreate Account Checkout  Shopping Cart91 item(s)
1 x 578, TDS Water Quality Meter tds-3
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD106
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x *Discontinued* RO585A
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 719, Drain Saddle Clamp / Valve
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-P-TK for USA 110V / 60Hz
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO6ALK
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x bulksf05, Koolermax Sediment Filter

View Cart$7,715.94

ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

ATU TEE Union Connector Quick Connect QC Fitting



* ATU TEE Union Connector, Quick Connect

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tee double side and second number is the single side. (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 1/4" Tube OD ATU0404
* 3/8" Tube OD x 1/4" Tube OD ATU0604
* 3/8" Tube OD x 3/8" Tube OD ATU0606
* 1/2" Tube OD x 3/8" Tube OD ATU0706
* 1/2" Tube OD x 1/2" Tube OD ATU0707


* 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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