Log In Log In  |  Checkout   |  74 item(s)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x bulk201, Sediment Filter
1 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 Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 752, DC Booster Pump w/ Transformer
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 719, Drain Saddle Clamp / Valve
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x bulksf05, Koolermax Sediment Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO6ALK
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 720, Feed Water Adapter with Needle Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x *Discontinued* RO585A
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"

View Cart$4,807.78
Specials Log InCreate Account Checkout  Shopping Cart74 item(s)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x bulk201, Sediment Filter
1 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 Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 752, DC Booster Pump w/ Transformer
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 719, Drain Saddle Clamp / Valve
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x bulksf05, Koolermax Sediment Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO6ALK
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 720, Feed Water Adapter with Needle Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x *Discontinued* RO585A
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"

View Cart$4,807.78

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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