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4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 214, Clear Inline Filter Cartridge Empty Case
2 x Parts, Ro Water System Installation Parts Bag 1/4"
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 706, Membrane Filter Casing Housing Assembly
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulk213, Inline Carbon Filter
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x *Discontinued* RD102
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RO585ERP

View Cart$4,744.46
Specials Log InCreate Account Checkout  Shopping Cart90 item(s)
4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 214, Clear Inline Filter Cartridge Empty Case
2 x Parts, Ro Water System Installation Parts Bag 1/4"
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 706, Membrane Filter Casing Housing Assembly
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulk213, Inline Carbon Filter
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x *Discontinued* RD102
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RO585ERP

View Cart$4,744.46

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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