Log In | Checkout | 53 item(s)

2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
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 BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x HK120-P-TK for USA 110V / 60Hz
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RO155C
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 723, Feed Water Adapter with Ball Valve
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
View Cart $3,519.19

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53 item(s)

2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
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	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Discontinued RO155C
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	723, Feed Water Adapter with Ball Valve
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve

View Cart	$3,519.19

FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch [FPK-AUC0604]

$16.00

Quantity

Description

Union Connector, 3/8" to 1/4"

part# AUC 0604

* 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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