Log In Log In  |  Checkout   |  69 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x *Discontinued* RD102
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 706, Membrane Filter Casing Housing Assembly
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 752, DC Booster Pump w/ Transformer
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart$2,398.65
Specials Log InCreate Account Checkout  Shopping Cart69 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x *Discontinued* RD102
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 706, Membrane Filter Casing Housing Assembly
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 752, DC Booster Pump w/ Transformer
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart$2,398.65

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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