Log In Log In  |  Checkout   |  128 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
2 x 706, Membrane Filter Casing Housing Assembly
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x *Discontinued* RD102
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 752, DC Booster Pump w/ Transformer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
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
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Special Filter Kit Koolermax dealer distribution kit
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x *Discontinued* RO585ERP
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x *Discontinued* RD106
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FRQ850, Flow Restrictor 850ML / min
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulk205, Carbon Block Filter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT

View Cart$7,267.92
Specials Log InCreate Account Checkout  Shopping Cart128 item(s)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
2 x 706, Membrane Filter Casing Housing Assembly
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x *Discontinued* RD102
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 752, DC Booster Pump w/ Transformer
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
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
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Special Filter Kit Koolermax dealer distribution kit
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x *Discontinued* RO585ERP
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x *Discontinued* RD106
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FRQ850, Flow Restrictor 850ML / min
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulk205, Carbon Block Filter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT

View Cart$7,267.92

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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