Log In Log In  |  Checkout   |  107 item(s)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
4 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 752, DC Booster Pump w/ Transformer
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x bulk213, Inline Carbon Filter
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x bulk201, Sediment Filter
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 719, Drain Saddle Clamp / Valve
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RD150
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart$4,761.34
Specials Log InCreate Account Checkout  Shopping Cart107 item(s)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
4 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 752, DC Booster Pump w/ Transformer
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x bulk213, Inline Carbon Filter
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x bulk201, Sediment Filter
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 719, Drain Saddle Clamp / Valve
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RD150
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart$4,761.34

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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