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3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x *Discontinued* RO155
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x N-14-1M, Nipple Fitting connector between standard RO housing
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x *Discontinued* RO155C
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)

View Cart$2,267.95
Specials Log InCreate Account Checkout  Shopping Cart67 item(s)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x *Discontinued* RO155
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x N-14-1M, Nipple Fitting connector between standard RO housing
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x *Discontinued* RO155C
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)

View Cart$2,267.95

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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