Log In Log In  |  Checkout   |  163 item(s)
1 x *Discontinued* RO155C
1 x bulkc10, Koolermax Carbon Block Filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x bulk213, Inline Carbon Filter
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x WS-150M, Whole House Water Softener
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x WSACF-150T, Whole House Water Treatment ACF-150T
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x *Discontinued* RO585
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x HK120-P-TK for USA 110V / 60Hz
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
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 SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 723, Feed Water Adapter with Ball Valve
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x *Discontinued* RO6ALK
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x *Discontinued* RO585NTF
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD106
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x bulk818, DI resin refill bags Di-Ionization media
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x *Discontinued* RO155
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
View Cart$16,918.82
Home
Specials Log InCreate Account Checkout  Shopping Cart163 item(s)
1 x *Discontinued* RO155C
1 x bulkc10, Koolermax Carbon Block Filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x bulk213, Inline Carbon Filter
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x WS-150M, Whole House Water Softener
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x WSACF-150T, Whole House Water Treatment ACF-150T
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x *Discontinued* RO585
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x HK120-P-TK for USA 110V / 60Hz
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
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 SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 723, Feed Water Adapter with Ball Valve
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x *Discontinued* RO6ALK
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x *Discontinued* RO585NTF
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD106
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x bulk818, DI resin refill bags Di-Ionization media
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x *Discontinued* RO155
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
View Cart$16,918.82

AUC Union Connector OD Quick Connect QC Fitting [AUC]

$3.00

AUC Union Connector OD Quick Connect QC Fitting



* AUC, Union Connector, Quick Connect type

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD x 1/4" Tube OD AUC0404
* 3/8" Tube OD x 1/4" Tube OD AUC0604
* 3/8" Tube OD x 3/8" Tube OD AUC0606
* 1/2" Tube OD x 3/8" Tube OD AUC0706
* 1/2" Tube OD x 1/2" Tube OD AUC0707


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* 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. 

Available Options:

Size Combination:

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