Log In Log In  |  Checkout   |  51 item(s)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 752, DC Booster Pump w/ Transformer
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 3rd 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
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125

View Cart$2,411.45
Specials Log InCreate Account Checkout  Shopping Cart51 item(s)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 752, DC Booster Pump w/ Transformer
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 3rd 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
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125

View Cart$2,411.45

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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