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2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SC209, Specialty Filter Nitrate Removal Filter
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 913, 5th stage inline carbon filter (every 12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x bulksf05, Koolermax Sediment Filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x *Discontinued* RD106
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x bulk201, Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulk213, Inline Carbon Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x bulk818, DI resin refill bags Di-Ionization media
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x bulkc10, Koolermax Carbon Block Filter
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)

View Cart$9,957.95
Specials Log InCreate Account Checkout  Shopping Cart134 item(s)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x *Discontinued* RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SC209, Specialty Filter Nitrate Removal Filter
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 913, 5th stage inline carbon filter (every 12 months)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x bulksf05, Koolermax Sediment Filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x *Discontinued* RD106
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x bulk201, Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulk213, Inline Carbon Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x bulk818, DI resin refill bags Di-Ionization media
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x bulkc10, Koolermax Carbon Block Filter
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)

View Cart$9,957.95

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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