Log In | Checkout | 63 item(s)

1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KT-103, Optional Manual Membrane Flush Valve
3 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x DI210, Heavy-duty DI system for Aquarium and Reef
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD102
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x *Discontinued* RD150
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
View Cart $3,362.50

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63 item(s)

1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	KT-103, Optional Manual Membrane Flush Valve
3 x	201, 1st stage sediment filter (replace every 6-12 months)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
3 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	Discontinued RD102
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	Discontinued RD150
1 x	DB40, DI Resin Refill Bag for DI210, RD322
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	Discontinued RO585NTF
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	741-14, Diverter Valve for Countertop Water Units

View Cart	$3,362.50

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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