Log In Log In  |  Checkout   |  31 item(s)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
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 N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart$765.60
Specials Log InCreate Account Checkout  Shopping Cart31 item(s)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
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 N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart$765.60

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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