Log In Log In  |  Checkout   |  60 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x *Discontinued* RD102
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x MK420, Maintenance kit for RO565
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x bulk205, Carbon Block Filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
View Cart$3,673.44
Home
Specials Log InCreate Account Checkout  Shopping Cart60 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x *Discontinued* RD102
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x MK420, Maintenance kit for RO565
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x bulk205, Carbon Block Filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
View Cart$3,673.44

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch [FPK-AUC0706]

$19.95

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

Quantity

 

Description

 

 

6

Union Connector, 1/2" to 3/8"

part# AUC 0706

 



 

 

* 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. 

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