Log In Log In  |  Checkout   |  56 item(s)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 752, DC Booster Pump w/ Transformer
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 205, 5th stage final carbon filter
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x bulkc10, Koolermax Carbon Block Filter
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x *Discontinued* RO6ALK
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RO585NTF
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x bulksf05, Koolermax Sediment Filter
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO

View Cart$2,811.24
Specials Log InCreate Account Checkout  Shopping Cart56 item(s)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 752, DC Booster Pump w/ Transformer
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 205, 5th stage final carbon filter
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x bulkc10, Koolermax Carbon Block Filter
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x *Discontinued* RO6ALK
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RO585NTF
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x bulksf05, Koolermax Sediment Filter
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO

View Cart$2,811.24

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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