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1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD106
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x *Discontinued* RD102
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x *Discontinued* RD150
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO155C
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK420, Maintenance kit for RO565
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart$3,371.23
Specials Log InCreate Account Checkout  Shopping Cart52 item(s)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD106
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x *Discontinued* RD102
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x *Discontinued* RD150
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO155C
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK420, Maintenance kit for RO565
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart$3,371.23

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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