Log In Log In  |  Checkout   |  108 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x *Discontinued* RO585
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x bulksf05, Koolermax Sediment Filter
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x *Discontinued* RO155C
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x Special Filter Kit Koolermax dealer distribution kit
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x bulkc10, Koolermax Carbon Block Filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x *Discontinued* RO585ERP
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)

View Cart$9,768.96
Specials Log InCreate Account Checkout  Shopping Cart108 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x *Discontinued* RO585
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x bulksf05, Koolermax Sediment Filter
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x *Discontinued* RO155C
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x Special Filter Kit Koolermax dealer distribution kit
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x bulkc10, Koolermax Carbon Block Filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x *Discontinued* RO585ERP
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)

View Cart$9,768.96

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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