Log In Log In  |  Checkout   |  91 item(s)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x bulk201, Sediment Filter
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 578, TDS Water Quality Meter tds-3
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulk213, Inline Carbon Filter
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x bulksf05, Koolermax Sediment Filter
1 x PE Tubing Tube Cutter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 565, Digital Pressure Gauge Tester Monitor
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 752, DC Booster Pump w/ Transformer
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter

View Cart$4,785.57
Specials Log InCreate Account Checkout  Shopping Cart91 item(s)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x bulk201, Sediment Filter
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 578, TDS Water Quality Meter tds-3
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulk213, Inline Carbon Filter
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x bulksf05, Koolermax Sediment Filter
1 x PE Tubing Tube Cutter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 565, Digital Pressure Gauge Tester Monitor
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 752, DC Booster Pump w/ Transformer
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter

View Cart$4,785.57

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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