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3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
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 TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x KT-103, Optional Manual Membrane Flush Valve
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x *Discontinued* RD150
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 752, DC Booster Pump w/ Transformer
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x *Discontinued* RO585
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)

View Cart$6,046.84
Specials Log InCreate Account Checkout  Shopping Cart110 item(s)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
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 TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x KT-103, Optional Manual Membrane Flush Valve
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x *Discontinued* RD150
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 752, DC Booster Pump w/ Transformer
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x *Discontinued* RO585
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)

View Cart$6,046.84

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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