Log In Log In  |  Checkout   |  121 item(s)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 719, Drain Saddle Clamp / Valve
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x *Discontinued* RD106
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x *Discontinued* RD150
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x MK420, Maintenance kit for RO565
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 752, DC Booster Pump w/ Transformer
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 720, Feed Water Adapter with Needle Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)

View Cart$4,660.93
Specials Log InCreate Account Checkout  Shopping Cart121 item(s)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 719, Drain Saddle Clamp / Valve
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x *Discontinued* RD106
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x *Discontinued* RD150
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x MK420, Maintenance kit for RO565
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 752, DC Booster Pump w/ Transformer
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 720, Feed Water Adapter with Needle Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)

View Cart$4,660.93

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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