Log In Log In  |  Checkout   |  34 item(s)
1 x bulkc10, Koolermax Carbon Block Filter
1 x bulk213, Inline Carbon Filter
1 x bulkic21, Koolermax Inline Carbon Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x *Discontinued* RO155
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x HK120-P-TK for USA 110V / 60Hz
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RO155C
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
View Cart$3,413.50
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Specials Log InCreate Account Checkout  Shopping Cart34 item(s)
1 x bulkc10, Koolermax Carbon Block Filter
1 x bulk213, Inline Carbon Filter
1 x bulkic21, Koolermax Inline Carbon Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x *Discontinued* RO155
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x HK120-P-TK for USA 110V / 60Hz
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RO155C
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
View Cart$3,413.50

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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