Log In Log In  |  Checkout   |  55 item(s)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x bulkic21, Koolermax Inline Carbon Filter
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RO585
1 x bulk818, DI resin refill bags Di-Ionization media
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)

View Cart$4,073.49
Specials Log InCreate Account Checkout  Shopping Cart55 item(s)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x bulkic21, Koolermax Inline Carbon Filter
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RO585
1 x bulk818, DI resin refill bags Di-Ionization media
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)

View Cart$4,073.49

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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