Log In Log In  |  Checkout   |  27 item(s)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x bulksf05, Koolermax Sediment Filter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulk205, Carbon Block Filter
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P

View Cart$1,893.49
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x bulksf05, Koolermax Sediment Filter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulk205, Carbon Block Filter
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P

View Cart$1,893.49

ARD, Reducer Fitting Straight Tube OD Stem OD [ARD]

$3.50

ARD, Reducer Fitting Straight Tube OD Stem OD



* ARD, Reducer Fitting Straight Tube OD Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem 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 3/8" Stem OD ARD0406
* 3/8" Tube OD x 1/2" Stem OD ARD0607


* 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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