Log In Log In  |  Checkout   |  96 item(s)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x *Discontinued* RO155
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752, DC Booster Pump w/ Transformer
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x *Discontinued* RD150
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump

View Cart$5,419.45
Specials Log InCreate Account Checkout  Shopping Cart96 item(s)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x *Discontinued* RO155
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752, DC Booster Pump w/ Transformer
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x *Discontinued* RD150
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump

View Cart$5,419.45

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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