Log In Log In  |  Checkout   |  184 item(s)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
7 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 723, Feed Water Adapter with Ball Valve
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CBV-38, Tank Ball Valve to 3/8 tubing
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x *Discontinued* RO585NTF
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 720, Feed Water Adapter with Needle Valve
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 913, 5th stage inline carbon filter (every 12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x Parts, Ro Water System Installation Parts Bag 1/4"
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x bulksf05, Koolermax Sediment Filter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 706, Membrane Filter Casing Housing Assembly
1 x 752, DC Booster Pump w/ Transformer
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
2 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x bulk213, Inline Carbon Filter
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x *Discontinued* RO585ERP
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585A
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 5th Stage pn215 Refillable inline DI filter (color change)
View Cart$9,971.76
Home
Specials Log InCreate Account Checkout  Shopping Cart184 item(s)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
7 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 723, Feed Water Adapter with Ball Valve
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CBV-38, Tank Ball Valve to 3/8 tubing
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x *Discontinued* RO585NTF
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 720, Feed Water Adapter with Needle Valve
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 913, 5th stage inline carbon filter (every 12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x Parts, Ro Water System Installation Parts Bag 1/4"
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x bulksf05, Koolermax Sediment Filter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 706, Membrane Filter Casing Housing Assembly
1 x 752, DC Booster Pump w/ Transformer
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
2 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x bulk213, Inline Carbon Filter
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x *Discontinued* RO585ERP
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585A
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 5th Stage pn215 Refillable inline DI filter (color change)
View Cart$9,971.76

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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