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2 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 578, TDS Water Quality Meter tds-3
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulkic21, Koolermax Inline Carbon Filter
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
3 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FRQ300, Flow Restrictor 300ML / min
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 720, Feed Water Adapter with Needle Valve
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
View Cart$4,819.39
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Specials Log InCreate Account Checkout  Shopping Cart107 item(s)
2 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 578, TDS Water Quality Meter tds-3
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulkic21, Koolermax Inline Carbon Filter
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
3 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FRQ300, Flow Restrictor 300ML / min
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 720, Feed Water Adapter with Needle Valve
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
View Cart$4,819.39

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

 

 

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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