Log In Log In  |  Checkout   |  63 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 752, DC Booster Pump w/ Transformer

View Cart$1,577.60
Specials Log InCreate Account Checkout  Shopping Cart63 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 752, DC Booster Pump w/ Transformer

View Cart$1,577.60

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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