Log In Log In  |  Checkout   |  163 item(s)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 5th stage final carbon filter
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x *Discontinued* RD106
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 752, DC Booster Pump w/ Transformer
1 x 741-14, Diverter Valve for Countertop Water Units
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x PE Tubing Tube Cutter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk213, Inline Carbon Filter
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 723, Feed Water Adapter with Ball Valve
1 x *Discontinued* RO585NTF
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
6 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x bulksf05, Koolermax Sediment Filter
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x KT-103, Optional Manual Membrane Flush Valve
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 720, Feed Water Adapter with Needle Valve
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO585A
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x bulkc10, Koolermax Carbon Block Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RD150
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty 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 WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart$9,523.63
Specials Log InCreate Account Checkout  Shopping Cart163 item(s)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 5th stage final carbon filter
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x *Discontinued* RD106
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 752, DC Booster Pump w/ Transformer
1 x 741-14, Diverter Valve for Countertop Water Units
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x PE Tubing Tube Cutter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk213, Inline Carbon Filter
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 723, Feed Water Adapter with Ball Valve
1 x *Discontinued* RO585NTF
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
6 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x bulksf05, Koolermax Sediment Filter
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x KT-103, Optional Manual Membrane Flush Valve
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 720, Feed Water Adapter with Needle Valve
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO585A
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x bulkc10, Koolermax Carbon Block Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RD150
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty 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 WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart$9,523.63

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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