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2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulkc10, Koolermax Carbon Block Filter

View Cart$2,565.94
Specials Log InCreate Account Checkout  Shopping Cart37 item(s)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulkc10, Koolermax Carbon Block Filter

View Cart$2,565.94

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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