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1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Special Filter Kit Koolermax dealer distribution kit
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Special, Single Stage Housing Bracket Shell Connection Kit

View Cart$1,913.44
Specials Log InCreate Account Checkout  Shopping Cart32 item(s)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Special Filter Kit Koolermax dealer distribution kit
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Special, Single Stage Housing Bracket Shell Connection Kit

View Cart$1,913.44

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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