Log In Log In  |  Checkout   |  54 item(s)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
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 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*

View Cart$2,176.94
Specials Log InCreate Account Checkout  Shopping Cart54 item(s)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
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 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*

View Cart$2,176.94

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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