Log In Log In  |  Checkout   |  48 item(s)
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x bulksf05, Koolermax Sediment Filter
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260

View Cart$2,068.47
Specials Log InCreate Account Checkout  Shopping Cart48 item(s)
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x bulksf05, Koolermax Sediment Filter
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260

View Cart$2,068.47

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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