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2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x HK120-P-TK for USA 110V / 60Hz
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x *Discontinued* RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x *Discontinued* RO155C
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FRQ300, Flow Restrictor 300ML / min
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RO585ERP
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 719, Drain Saddle Clamp / Valve
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MK420, Maintenance kit for RO565
1 x *Discontinued* RO585NTF
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x WS-150M, Whole House Water Softener
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve

View Cart$8,211.93
Specials Log InCreate Account Checkout  Shopping Cart93 item(s)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x HK120-P-TK for USA 110V / 60Hz
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x *Discontinued* RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x *Discontinued* RO155C
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FRQ300, Flow Restrictor 300ML / min
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RO585ERP
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 719, Drain Saddle Clamp / Valve
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MK420, Maintenance kit for RO565
1 x *Discontinued* RO585NTF
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x WS-150M, Whole House Water Softener
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve

View Cart$8,211.93

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G [531]

$45.00

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G



* 531, RO Storage Pressure Tank, 3 Gallon, for replacement of Honeywell or Filtercold small blue tank

* Specification:
White color, outside volume 2 gallons, inside bladder holds about 2 gallons @ 60 psi input pressure

* Dimension: 9" diameter, 14" height, 1/4"MPT inlet connection

* Material:
Outside is steel, inside is a FDA approved food grade bladder. Stainless steel connection on top. Purified water only come in contact with bladder and the stainless steel connector on top. The tank is pre-charged to 7 psi.

* Meets NSF standard 58.

* Tank valve is included.

* Recommended changing every 5 to 7 years



If you'd like to know more.....
A pressure tank is used in RO systems to accumulate water and provide pressure at dispensing faucet. It has a water bladder inside the tank that holds the purified water, and outside the bladder is the compressed air. When you dispense water, the compressed air squeezes the bladder and forces the water out with pressure. You can connect several tanks together also to provide more water.

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