Log In Log In  |  Checkout   |  59 item(s)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x WS-150M, Whole House Water Softener
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FRQ850, Flow Restrictor 850ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 719, Drain Saddle Clamp / Valve
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$5,059.88
Specials Log InCreate Account Checkout  Shopping Cart59 item(s)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x WS-150M, Whole House Water Softener
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FRQ850, Flow Restrictor 850ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 719, Drain Saddle Clamp / Valve
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$5,059.88

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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