Log In | Checkout | 52 item(s)

1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x *Discontinued* RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x HK120-P-TK for USA 110V / 60Hz
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FRQ200, Flow Restrictor 200ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
View Cart $3,567.39

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52 item(s)

1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	Discontinued RO6ALK
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Discontinued RO155C
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)

View Cart	$3,567.39

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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