Log In Log In  |  Checkout   |  50 item(s)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WS-150M, Whole House Water Softener
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x 719, Drain Saddle Clamp / Valve
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x UU Clips Pair from Bracket to Membrane Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260

View Cart$5,776.99
Specials Log InCreate Account Checkout  Shopping Cart50 item(s)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WS-150M, Whole House Water Softener
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x 719, Drain Saddle Clamp / Valve
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x UU Clips Pair from Bracket to Membrane Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260

View Cart$5,776.99

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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