Log In Log In  |  Checkout   |  33 item(s)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
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 N-14-1M, Nipple Fitting connector between standard RO housing
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x WS-150M, Whole House Water Softener
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
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK

View Cart$3,793.40
Specials Log InCreate Account Checkout  Shopping Cart33 item(s)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
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 N-14-1M, Nipple Fitting connector between standard RO housing
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x WS-150M, Whole House Water Softener
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
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK

View Cart$3,793.40

AUC Union Connector OD Quick Connect QC Fitting [AUC]

$3.00

AUC Union Connector OD Quick Connect QC Fitting



* AUC, Union Connector, Quick Connect type

* 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 AUC0404
* 3/8" Tube OD x 1/4" Tube OD AUC0604
* 3/8" Tube OD x 3/8" Tube OD AUC0606
* 1/2" Tube OD x 3/8" Tube OD AUC0706
* 1/2" Tube OD x 1/2" Tube OD AUC0707


* 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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