Log In Log In  |  Checkout   |  54 item(s)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x bulkic21, Koolermax Inline Carbon Filter
1 x *Discontinued* RO585
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulk213, Inline Carbon Filter
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x bulkc10, Koolermax Carbon Block Filter
1 x bulksf05, Koolermax Sediment Filter
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)

View Cart$3,242.49
Specials Log InCreate Account Checkout  Shopping Cart54 item(s)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x bulkic21, Koolermax Inline Carbon Filter
1 x *Discontinued* RO585
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulk213, Inline Carbon Filter
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x bulkc10, Koolermax Carbon Block Filter
1 x bulksf05, Koolermax Sediment Filter
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)

View Cart$3,242.49

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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