Log In Log In  |  Checkout   |  190 item(s)
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO155
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
3 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
3 x 752, DC Booster Pump w/ Transformer
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x bulkc10, Koolermax Carbon Block Filter
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x PE Tubing Tube Cutter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x *Discontinued* RO585ERP
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x MK420, Maintenance kit for RO565
1 x 578, TDS Water Quality Meter tds-3
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x *Discontinued* RD102
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x *Discontinued* RO585
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RD106
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)

View Cart$9,803.70
Specials Log InCreate Account Checkout  Shopping Cart190 item(s)
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO155
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
3 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
3 x 752, DC Booster Pump w/ Transformer
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x bulkc10, Koolermax Carbon Block Filter
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x PE Tubing Tube Cutter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x *Discontinued* RO585ERP
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x MK420, Maintenance kit for RO565
1 x 578, TDS Water Quality Meter tds-3
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x *Discontinued* RD102
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x *Discontinued* RO585
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RD106
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)

View Cart$9,803.70

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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