Log In Log In  |  Checkout   |  66 item(s)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK420, Maintenance kit for RO565
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 706, Membrane Filter Casing Housing Assembly
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FRQ420, Flow Restrictor 420ML / min
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 4044-K Male Elbow 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 Optional: 566 Filter Housing Wrench Opener WaterGeneral System

View Cart$2,676.30
Specials Log InCreate Account Checkout  Shopping Cart66 item(s)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK420, Maintenance kit for RO565
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 706, Membrane Filter Casing Housing Assembly
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FRQ420, Flow Restrictor 420ML / min
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 4044-K Male Elbow 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 Optional: 566 Filter Housing Wrench Opener WaterGeneral System

View Cart$2,676.30

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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