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1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x *Discontinued* RD106
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 5th stage final carbon filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PE Tubing Tube Cutter
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x UU Clips Pair from Bracket to Membrane Filter
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x Special Filter Kit Koolermax dealer distribution kit
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x HK120-P-TK for USA 110V / 60Hz

View Cart$5,886.74
Specials Log InCreate Account Checkout  Shopping Cart97 item(s)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x *Discontinued* RD106
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205, 5th stage final carbon filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PE Tubing Tube Cutter
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x UU Clips Pair from Bracket to Membrane Filter
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x Special Filter Kit Koolermax dealer distribution kit
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x HK120-P-TK for USA 110V / 60Hz

View Cart$5,886.74

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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