Log In Log In  |  Checkout   |  28 item(s)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulksf05, Koolermax Sediment Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 719, Drain Saddle Clamp / Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$1,039.45
Specials Log InCreate Account Checkout  Shopping Cart28 item(s)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulksf05, Koolermax Sediment Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 719, Drain Saddle Clamp / Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$1,039.45

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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