Log In Log In  |  Checkout   |  51 item(s)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Special Filter Kit Koolermax dealer distribution kit
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
4 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x FRQ200, Flow Restrictor 200ML / min
1 x bulk205, Carbon Block Filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x HK120-P-TK for USA 110V / 60Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322

View Cart$2,580.48
Specials Log InCreate Account Checkout  Shopping Cart51 item(s)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Special Filter Kit Koolermax dealer distribution kit
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
4 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x FRQ200, Flow Restrictor 200ML / min
1 x bulk205, Carbon Block Filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x HK120-P-TK for USA 110V / 60Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322

View Cart$2,580.48

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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