Log In Log In  |  Checkout   |  31 item(s)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart$1,106.00
Specials Log InCreate Account Checkout  Shopping Cart31 item(s)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart$1,106.00

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD [ATEU]

$3.00

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD



* ATEU, Tube Elbow Union Fitting Tube OD - Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem OD Outside Diameter (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" Stem OD ATEU0404
* 1/4" Tube OD x 3/8" Stem OD ATEU0406
* 3/8" Tube OD x 3/8" Stem OD ATEU0606
* 3/8" Tube OD x 1/2" Stem OD ATEU0607
* 1/2" Tube OD x 1/2" Stem OD ATEU0707


* 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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