Log In Log In  |  Checkout   |  113 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 719, Drain Saddle Clamp / Valve
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x bulk818, DI resin refill bags Di-Ionization media
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 565, Digital Pressure Gauge Tester Monitor
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 706, Membrane Filter Casing Housing Assembly
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RO585ERP
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x *Discontinued* RO585
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x bulkic21, Koolermax Inline Carbon Filter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x HK120-P-TK for USA 110V / 60Hz
1 x *Discontinued* RD102
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x PE Tubing Tube Cutter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)

View Cart$8,850.09
Specials Log InCreate Account Checkout  Shopping Cart113 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 719, Drain Saddle Clamp / Valve
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x bulk818, DI resin refill bags Di-Ionization media
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 565, Digital Pressure Gauge Tester Monitor
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 706, Membrane Filter Casing Housing Assembly
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RO585ERP
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x *Discontinued* RO585
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x bulkic21, Koolermax Inline Carbon Filter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x HK120-P-TK for USA 110V / 60Hz
1 x *Discontinued* RD102
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x PE Tubing Tube Cutter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)

View Cart$8,850.09

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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