Log In Log In  |  Checkout   |  83 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x *Discontinued* RD102
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x DI210, Heavy-duty DI system for Aquarium and Reef
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 752, DC Booster Pump w/ Transformer
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RD150
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FRQ200, Flow Restrictor 200ML / min
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 578, TDS Water Quality Meter tds-3
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 719, Drain Saddle Clamp / Valve
1 x MK420, Maintenance kit for RO565

View Cart$2,778.69
Specials Log InCreate Account Checkout  Shopping Cart83 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x *Discontinued* RD102
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x DI210, Heavy-duty DI system for Aquarium and Reef
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 752, DC Booster Pump w/ Transformer
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RD150
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FRQ200, Flow Restrictor 200ML / min
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 578, TDS Water Quality Meter tds-3
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 719, Drain Saddle Clamp / Valve
1 x MK420, Maintenance kit for RO565

View Cart$2,778.69

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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