Log In | Checkout | 97 item(s)

1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x bulk201, Sediment Filter
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 578, TDS Water Quality Meter tds-3
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulk213, Inline Carbon Filter
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x bulksf05, Koolermax Sediment Filter
1 x PE Tubing Tube Cutter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 565, Digital Pressure Gauge Tester Monitor
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 752, DC Booster Pump w/ Transformer
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
View Cart $4,876.02

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97 item(s)

1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	bulk201, Sediment Filter
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	578, TDS Water Quality Meter tds-3
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
4 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	bulk213, Inline Carbon Filter
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
3 x	201, 1st stage sediment filter (replace every 6-12 months)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	bulkic21, Koolermax Inline Carbon Filter
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	bulksf05, Koolermax Sediment Filter
1 x	PE Tubing Tube Cutter
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	752, DC Booster Pump w/ Transformer
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart	$4,876.02

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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