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1 x *Discontinued* RO6ALK
1 x KT-103, Optional Manual Membrane Flush Valve
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special, Single Stage Housing Bracket Shell Connection Kit
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x *Discontinued* RD106
2 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x *Discontinued* RO585NTF
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO585ERP
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
3 x 706, Membrane Filter Casing Housing Assembly
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 719, Drain Saddle Clamp / Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FRQ850, Flow Restrictor 850ML / min
1 x 720, Feed Water Adapter with Needle Valve
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752, DC Booster Pump w/ Transformer
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RO155C
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System

View Cart$6,657.87
Specials Log InCreate Account Checkout  Shopping Cart125 item(s)
1 x *Discontinued* RO6ALK
1 x KT-103, Optional Manual Membrane Flush Valve
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special, Single Stage Housing Bracket Shell Connection Kit
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x *Discontinued* RD106
2 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x *Discontinued* RO585NTF
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO585ERP
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
3 x 706, Membrane Filter Casing Housing Assembly
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 719, Drain Saddle Clamp / Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FRQ850, Flow Restrictor 850ML / min
1 x 720, Feed Water Adapter with Needle Valve
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752, DC Booster Pump w/ Transformer
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RO155C
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System

View Cart$6,657.87

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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