Log In Log In  |  Checkout   |  46 item(s)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RO155
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)

View Cart$2,482.50
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RO155
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)

View Cart$2,482.50

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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