Log In Log In  |  Checkout   |  46 item(s)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x *Discontinued* RO6ALK
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 752, DC Booster Pump w/ Transformer
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE

View Cart$3,068.34
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x *Discontinued* RO6ALK
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 752, DC Booster Pump w/ Transformer
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE

View Cart$3,068.34

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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