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2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
9 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 6th Stage pn215 Refillable inline DI filter (color change)
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x Parts, Ro Water System Installation Parts Bag 1/4"
6 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
8 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752, DC Booster Pump w/ Transformer
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 214, Clear Inline Filter Cartridge Empty Case
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
5 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x *Discontinued* RO155C
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
5 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th Stage pn215 Refillable inline DI filter (color change)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
6 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x *Discontinued* RO155
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x *Discontinued* RO585
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x *Discontinued* RO6ALK
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
4 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD106
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x HK120-P-TK for USA 110V / 60Hz
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 578, TDS Water Quality Meter tds-3
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ850, Flow Restrictor 850ML / min
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT

View Cart$12,596.11
Specials Log InCreate Account Checkout  Shopping Cart233 item(s)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
9 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 6th Stage pn215 Refillable inline DI filter (color change)
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x Parts, Ro Water System Installation Parts Bag 1/4"
6 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
8 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 752, DC Booster Pump w/ Transformer
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 214, Clear Inline Filter Cartridge Empty Case
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
5 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x *Discontinued* RO155C
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
5 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th Stage pn215 Refillable inline DI filter (color change)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
6 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x *Discontinued* RO155
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x *Discontinued* RO585
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x *Discontinued* RO6ALK
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
4 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD106
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x HK120-P-TK for USA 110V / 60Hz
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 578, TDS Water Quality Meter tds-3
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ850, Flow Restrictor 850ML / min
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT

View Cart$12,596.11

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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