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3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x *Discontinued* RD106
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER

View Cart$3,297.94
Specials Log InCreate Account Checkout  Shopping Cart82 item(s)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x *Discontinued* RD106
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER

View Cart$3,297.94

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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