Log In Log In  |  Checkout   |  94 item(s)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x bulk818, DI resin refill bags Di-Ionization media
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x *Discontinued* RO155
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x bulk201, Sediment Filter
1 x 205, 5th stage final carbon filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x bulk205, Carbon Block Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x *Discontinued* RO155C
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x HK120-P-TK for USA 110V / 60Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x bulkc10, Koolermax Carbon Block Filter
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish

View Cart$9,125.17
Specials Log InCreate Account Checkout  Shopping Cart94 item(s)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x bulk818, DI resin refill bags Di-Ionization media
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x *Discontinued* RO155
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x bulk201, Sediment Filter
1 x 205, 5th stage final carbon filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x bulk205, Carbon Block Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x *Discontinued* RO155C
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x HK120-P-TK for USA 110V / 60Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x bulkc10, Koolermax Carbon Block Filter
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish

View Cart$9,125.17

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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