Log In Log In  |  Checkout   |  38 item(s)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RD106
1 x 752, DC Booster Pump w/ Transformer
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260

View Cart$1,666.45
Specials Log InCreate Account Checkout  Shopping Cart38 item(s)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RD106
1 x 752, DC Booster Pump w/ Transformer
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260

View Cart$1,666.45

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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