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2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 752, DC Booster Pump w/ Transformer
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$3,471.99
Specials Log InCreate Account Checkout  Shopping Cart49 item(s)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 752, DC Booster Pump w/ Transformer
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$3,471.99

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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