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2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RO155
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RD106
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RO155C
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x HK120-P-TK for USA 110V / 60Hz
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x *Discontinued* RD150
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x WS-150M, Whole House Water Softener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x *Discontinued* RO6ALK
1 x *Discontinued* RO585
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ200, Flow Restrictor 200ML / min
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water

View Cart$11,189.99
Specials Log InCreate Account Checkout  Shopping Cart124 item(s)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RO155
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RD106
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x *Discontinued* RO155C
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x HK120-P-TK for USA 110V / 60Hz
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x *Discontinued* RD150
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x WS-150M, Whole House Water Softener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x *Discontinued* RO6ALK
1 x *Discontinued* RO585
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ200, Flow Restrictor 200ML / min
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water

View Cart$11,189.99

ASA, Stem Adapter NPT Thread [ASA]

$2.50

ASA, Stem Adapter NPT Thread



* ASA, Stem Adapter NPT Thread

* Please choose size from the selection box below. First number is tubing OD Outside Diameter and second number is NPT National Pipe Thread. (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 1/4" NPTF Thread ASA0404
* 1/4" Tube OD x 1/8" NPTF Thread ASA0402
* 3/8" Tube OD x 1/4" NPTF Thread ASA0604
* 3/8" Tube OD x 3/8" NPTF Thread ASA0606
* 1/2" Tube OD x 3/8" NPTF Thread ASA0706
* 1/2" Tube OD x 1/2" NPTF Thread ASA0707


* 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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