Log In Log In  |  Checkout   |  195 item(s)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x *Discontinued* RD102
2 x *Discontinued* RD106
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x *Discontinued* RD150
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x *Discontinued* RO6ALK
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x *Discontinued* RO585NTF
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
6 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 565, Digital Pressure Gauge Tester Monitor
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
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
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x 578, TDS Water Quality Meter tds-3
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x *Discontinued* RO585A
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 752, DC Booster Pump w/ Transformer
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 706, Membrane Filter Casing Housing Assembly
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x WS-150M, Whole House Water Softener
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 SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made

View Cart$14,300.37
Specials Log InCreate Account Checkout  Shopping Cart195 item(s)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x *Discontinued* RD102
2 x *Discontinued* RD106
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x *Discontinued* RD150
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x *Discontinued* RO6ALK
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x *Discontinued* RO585NTF
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
6 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 565, Digital Pressure Gauge Tester Monitor
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
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
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x 578, TDS Water Quality Meter tds-3
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x *Discontinued* RO585A
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 752, DC Booster Pump w/ Transformer
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 706, Membrane Filter Casing Housing Assembly
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x WS-150M, Whole House Water Softener
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 SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made

View Cart$14,300.37

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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