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2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 723, Feed Water Adapter with Ball Valve
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 578, TDS Water Quality Meter tds-3
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x KT-103, Optional Manual Membrane Flush Valve
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 752, DC Booster Pump w/ Transformer
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$1,121.85
Specials Log InCreate Account Checkout  Shopping Cart30 item(s)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 723, Feed Water Adapter with Ball Valve
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 578, TDS Water Quality Meter tds-3
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x KT-103, Optional Manual Membrane Flush Valve
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 752, DC Booster Pump w/ Transformer
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$1,121.85

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

 

 

6

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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