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1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Special, Single Stage Housing Bracket Shell Connection Kit
6 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
4 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 741-14, Diverter Valve for Countertop Water Units
3 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
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PE Tubing Tube Cutter
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulkc10, Koolermax Carbon Block Filter
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-P-TK for USA 110V / 60Hz
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 5th stage final carbon filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752, DC Booster Pump w/ Transformer
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made

View Cart$6,282.08
Specials Log InCreate Account Checkout  Shopping Cart139 item(s)
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Special, Single Stage Housing Bracket Shell Connection Kit
6 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
4 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 741-14, Diverter Valve for Countertop Water Units
3 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
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PE Tubing Tube Cutter
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulkc10, Koolermax Carbon Block Filter
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-P-TK for USA 110V / 60Hz
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 5th stage final carbon filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752, DC Booster Pump w/ Transformer
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made

View Cart$6,282.08

AEU, Elbow Union Connector OD Quick Connect QC Fitting [AEU]

$3.00

AEU, Elbow Union Connector OD Quick Connect QC Fitting



* AEU, Elbow Union Connector TUBE OD w/ QC Quick Connect Fitting

* 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 AEU0404
* 3/8" Tube OD x 1/4" Tube OD AEU0604
* 3/8" Tube OD x 3/8" Tube OD AEU0606
* 1/2" Tube OD x 1/4" Tube OD AEU0704
* 1/2" Tube OD x 3/8" Tube OD AEU0706
* 1/2" Tube OD x 1/2" Tube OD AEU0707


* 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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