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2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

View Cart$1,955.43
Specials Log InCreate Account Checkout  Shopping Cart53 item(s)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

View Cart$1,955.43

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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