Log In Log In  |  Checkout   |  34 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 719, Drain Saddle Clamp / Valve
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)

View Cart$1,325.85
Specials Log InCreate Account Checkout  Shopping Cart34 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 719, Drain Saddle Clamp / Valve
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)

View Cart$1,325.85

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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