Log In Log In  |  Checkout   |  42 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 706, Membrane Filter Casing Housing Assembly
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250

View Cart$1,344.50
Specials Log InCreate Account Checkout  Shopping Cart42 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 706, Membrane Filter Casing Housing Assembly
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250

View Cart$1,344.50

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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