Log In Log In  |  Checkout   |  95 item(s)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO155
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x bulk201, Sediment Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x UU Clips Pair from Bracket to Membrane Filter
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x bulkc10, Koolermax Carbon Block Filter
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$4,759.40
Specials Log InCreate Account Checkout  Shopping Cart95 item(s)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO155
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x bulk201, Sediment Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x UU Clips Pair from Bracket to Membrane Filter
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x bulkc10, Koolermax Carbon Block Filter
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$4,759.40

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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