Log In | Checkout | 74 item(s)

1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x MK8002, Maintenance kit for double membrane system RD322 RO260
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 741-14, Diverter Valve for Countertop Water Units
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 752, DC Booster Pump w/ Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x MK420, Maintenance kit for RO565
1 x 719, Drain Saddle Clamp / Valve
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
View Cart $5,782.87

Home

Specials Log InCreate Account Checkout

74 item(s)

1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x	MK8002, Maintenance kit for double membrane system RD322 RO260
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	741-14, Diverter Valve for Countertop Water Units
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	752, DC Booster Pump w/ Transformer
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	MK420, Maintenance kit for RO565
1 x	719, Drain Saddle Clamp / Valve
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK

View Cart	$5,782.87

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.

Reviews

Customers who bought this product also purchased

FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)

BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)

709, Automatic Shut Off Valve 4-way Four Way Valve