Log In Log In  |  Checkout   |  46 item(s)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM

View Cart$2,210.44
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM

View Cart$2,210.44

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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