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3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 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 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x WS-150M, Whole House Water Softener
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155

View Cart$4,862.74
Specials Log InCreate Account Checkout  Shopping Cart55 item(s)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 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 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x WS-150M, Whole House Water Softener
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155

View Cart$4,862.74

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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