Log In Log In  |  Checkout   |  40 item(s)
1 x 719, Drain Saddle Clamp / Valve
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x KT-103, Optional Manual Membrane Flush Valve
1 x *Discontinued* RO585NTF
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste

View Cart$1,842.99
Specials Log InCreate Account Checkout  Shopping Cart40 item(s)
1 x 719, Drain Saddle Clamp / Valve
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x KT-103, Optional Manual Membrane Flush Valve
1 x *Discontinued* RO585NTF
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste

View Cart$1,842.99

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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