Log In | Checkout | 26 item(s)

1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 723, Feed Water Adapter with Ball Valve
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
View Cart $1,547.45

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26 item(s)

1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	723, Feed Water Adapter with Ball Valve
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	720, Feed Water Adapter with Needle Valve
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe

View Cart	$1,547.45

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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