Log In Log In  |  Checkout   |  47 item(s)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x MK420, Maintenance kit for RO565
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x 741-14, Diverter Valve for Countertop Water Units
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 205, 2nd stage carbon block filter (replace every 12 months)

View Cart$2,364.70
Specials Log InCreate Account Checkout  Shopping Cart47 item(s)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x MK420, Maintenance kit for RO565
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x 741-14, Diverter Valve for Countertop Water Units
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 205, 2nd stage carbon block filter (replace every 12 months)

View Cart$2,364.70

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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