Log In Log In  |  Checkout   |  133 item(s)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x bulk201, Sediment Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x bulk205, Carbon Block Filter
1 x bulk213, Inline Carbon Filter
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x bulk818, DI resin refill bags Di-Ionization media
1 x bulkc10, Koolermax Carbon Block Filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 706, Membrane Filter Casing Housing Assembly
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205, 5th stage final carbon filter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 205, 2nd stage carbon block filter (replace every 12 months)

View Cart$5,622.90
Specials Log InCreate Account Checkout  Shopping Cart133 item(s)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x bulk201, Sediment Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x bulk205, Carbon Block Filter
1 x bulk213, Inline Carbon Filter
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x bulk818, DI resin refill bags Di-Ionization media
1 x bulkc10, Koolermax Carbon Block Filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 706, Membrane Filter Casing Housing Assembly
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205, 5th stage final carbon filter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 205, 2nd stage carbon block filter (replace every 12 months)

View Cart$5,622.90

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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