Log In Log In  |  Checkout   |  49 item(s)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold

View Cart$2,008.00
Specials Log InCreate Account Checkout  Shopping Cart49 item(s)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold

View Cart$2,008.00

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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