Log In | Checkout | 51 item(s)

1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x *Discontinued* RD150
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 752, DC Booster Pump w/ Transformer
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 723, Feed Water Adapter with Ball Valve
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 706, Membrane Filter Casing Housing Assembly
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ200, Flow Restrictor 200ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
View Cart $1,998.63

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51 item(s)

1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	Discontinued RD150
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	752, DC Booster Pump w/ Transformer
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	723, Feed Water Adapter with Ball Valve
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	706, Membrane Filter Casing Housing Assembly
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G

View Cart	$1,998.63

FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch [FPK-AUC0404]

$14.95

$FPK, 6 pcs Fitting Pack Union Connector 1/4\" quarter inch$

Quantity

Description

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

part# AUC 0404

* 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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