Log In Log In  |  Checkout   |  48 item(s)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
4 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
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 CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201

View Cart$2,257.82
Specials Log InCreate Account Checkout  Shopping Cart48 item(s)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
4 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
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 CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201

View Cart$2,257.82

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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