Log In Log In  |  Checkout   |  75 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 752, DC Booster Pump w/ Transformer
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x *Discontinued* RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x bulk205, Carbon Block Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting

View Cart$3,053.70
Specials Log InCreate Account Checkout  Shopping Cart75 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 752, DC Booster Pump w/ Transformer
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x *Discontinued* RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x bulk205, Carbon Block Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting

View Cart$3,053.70

AEU, Elbow Union Connector OD Quick Connect QC Fitting [AEU]

$3.00

AEU, Elbow Union Connector OD Quick Connect QC Fitting



* AEU, Elbow Union Connector TUBE OD w/ QC Quick Connect Fitting

* Please choose size from the selection box below. Both numbers are tubing 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" Tube OD AEU0404
* 3/8" Tube OD x 1/4" Tube OD AEU0604
* 3/8" Tube OD x 3/8" Tube OD AEU0606
* 1/2" Tube OD x 1/4" Tube OD AEU0704
* 1/2" Tube OD x 3/8" Tube OD AEU0706
* 1/2" Tube OD x 1/2" Tube OD AEU0707


* 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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