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3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x WS-150M, Whole House Water Softener
2 x 752, DC Booster Pump w/ Transformer
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x bulk213, Inline Carbon Filter
1 x bulksf05, Koolermax Sediment Filter
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 205, 5th stage final carbon filter
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk201, Sediment Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
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 AR150P
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SC209, Specialty Filter Nitrate Removal Filter

View Cart$9,443.91
Specials Log InCreate Account Checkout  Shopping Cart116 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x WS-150M, Whole House Water Softener
2 x 752, DC Booster Pump w/ Transformer
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x bulk213, Inline Carbon Filter
1 x bulksf05, Koolermax Sediment Filter
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 205, 5th stage final carbon filter
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk201, Sediment Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
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 AR150P
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SC209, Specialty Filter Nitrate Removal Filter

View Cart$9,443.91

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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