Log In Log In  |  Checkout   |  182 item(s)
7 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
7 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PE Tubing Tube Cutter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RO585
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 706, Membrane Filter Casing Housing Assembly
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x *Discontinued* RO585A
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 719, Drain Saddle Clamp / Valve
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RD106
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 720, Feed Water Adapter with Needle Valve
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x HK120-P-TK for USA 110V / 60Hz
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 578, TDS Water Quality Meter tds-3
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$7,201.36
Specials Log InCreate Account Checkout  Shopping Cart182 item(s)
7 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
7 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PE Tubing Tube Cutter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RO585
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 706, Membrane Filter Casing Housing Assembly
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x *Discontinued* RO585A
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 719, Drain Saddle Clamp / Valve
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RD106
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 720, Feed Water Adapter with Needle Valve
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x HK120-P-TK for USA 110V / 60Hz
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 578, TDS Water Quality Meter tds-3
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$7,201.36

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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