Reverse Osmosis Water Filters


SpiroPure offers a number of high quality advanced reverse osmosis water filtration system options, from portable countertop apartment and RO/DI Deionization tankless filters to 5-stage under sink reverse osmosis systems with water tanks and optional air gap faucets to swift twist RO systems. RO to fit your needs, whether it is filtration for drinking water, aquarium or reefs, CPAP machines, RV, humidifiers, cooking and food prep, spot-free cleaning of glass and cars, and much more. Check out the available replacement filter sets as well as RO membrane elements in a variety of GPD, including 50 GPD, 100 GPD, and even 400 GPD.

SpiroPure SP-RO500
SpiroPure SP-RO500 Instant Hot Water Countertop RO with Remineralization
List Price: $450.00

Our Price: $219.00

Save: $231.00!
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Replace cartridge every 12 months
Compact system with remineralizing media provides pure water at your chosen temp for instant hot water for coffee, tea, and more
SpiroPure SP-RO525
SpiroPure SP-RO525 Multi-Stage Remineralization Countertop Reverse Osmosis Cartridge
List Price: $130.00

Our Price: $55.40

Save: $74.60!
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Replace every 12 months
Replacement countertop RO 5-stage water filter cartridge for the SP-RO500 Instant Hot Reverse Osmosis System
SpiroPure RO3
SpiroPure 1000 GPD Tankless RO System with Remineralization SP-RO1000TL
List Price: $452.00

Our Price: $271.99

Save: $180.01!
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Replace filters every 12 months
Tankless RO requires less space, and supplies more filtered RO water instantly. Easier installation and maintenance.
SpiroPure SP-RO100
SpiroPure SP-RO100 5-Stage Reverse Osmosis Water Filtration System
List Price: $299.00

Our Price: $161.23

Save: $137.77!
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No Faucet
Classic RO system great for purer drinking water and ice, cooking and food prep, humidifiers, baby formula, and more
SpiroPure SP-RO100-BK
SpiroPure SP-RO100-BK 5-Stage Reverse Osmosis Filtration System with Faucet
List Price: $439.99

Our Price: $240.02

Save: $199.97!
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Matte Black Air Gap Faucet
Classic RO system great for purer drinking water and ice, cooking and food prep, humidifiers, baby formula, and more
SpiroPure SP-RO100-CM
SpiroPure SP-RO100-CM 5-Stage Reverse Osmosis Filtration System with Faucet
List Price: $399.99

Our Price: $231.39

Save: $168.60!
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Chrome Air Gap Faucet
Classic RO system great for purer drinking water and ice, cooking and food prep, humidifiers, baby formula, and more
SpiroPure SP-RO100-GD
SpiroPure SP-RO100-GD 5-Stage Reverse Osmosis Filtration System with Faucet
List Price: $439.99

Our Price: $262.95

Save: $177.04!
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Gold Air Gap Faucet
Classic RO system great for purer drinking water and ice, cooking and food prep, humidifiers, baby formula, and more
SpiroPure SP-RO100-NK
SpiroPure SP-RO100-NK 5-Stage Reverse Osmosis Filtration System with Faucet
List Price: $439.99

Our Price: $238.86

Save: $201.13!
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Nickel Air Gap Faucet
Classic RO system great for purer drinking water and ice, cooking and food prep, humidifiers, baby formula, and more
SpiroPure RO3-RS
SpiroPure One-Year Filter Replacement Set for Tankless Remineralization RO System SP-RO1000TL
List Price: $203.00

Our Price: $101.33

Save: $101.67!
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Replace every 12 months
The SCB (sediment, carbon, MineralPlus remineralization alkaline) cartridge and 1000 GPD RO membrane cartridge set
SpiroPure SP-RO125
SpiroPure SP-RO125 5-Stage RO Filters Replacement One Year Set for SP-RO100
List Price: $99.99

Our Price: $52.89

Save: $47.10!
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Replace every 12 months
Replacement filter set for the SpiroPure SP-RO100 Reverse Osmosis System Series and other 5-stage under sink RO
SpiroPure SP-RO400AQD
SpiroPure SP-RO400AQD 4-Stage Portable RO Water Filter with DI Filter for Aquariums
List Price: $135.82

Our Price: $67.91

Save: $67.91!
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Replace filters every 6-12 months
Small RO/DI System ideal for those with aquariums and reefs, spot-free cleaning for car washes and glass, CPAP, and more.
SpiroPure SP-RO300AQ
SpiroPure SP-RO300AQ 3-Stage Portable Apartment RO Water Filter System
List Price: $122.00

Our Price: $61.00

Save: $61.00!
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Replace filters every 6-12 months
Ideal small RO system for apartments and other portable uses for purer water for drinking, cooking, CPAP, baby formula, & more.
SpiroPure SP-RO425
SpiroPure SP-RO425 4-Stage Countertop RO Water Filter Replacement Set
List Price: $91.64

Our Price: $45.82

Save: $45.82!
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Replace every 6-12 months
Replacement filter set for the SpiroPure SP-RO400AQD 4-stage Countertop RO/DI systems
SpiroPure SP-RO325
SpiroPure SP-RO325 3-Stage Countertop RO Water Filter Replacement Set
List Price: $68.84

Our Price: $34.42

Save: $34.42!
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Replace every 6-12 months
Replacement filter set for the SpiroPure SP-RO300AQ 3-stage Countertop RO systems
SpiroPure SP-RO-050R
SpiroPure SP-RO-050R RO Membrane Filter Replacement 50 GPD
List Price: $20.60

Our Price: $12.46

Save: $8.14!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 50 gallons per day
SpiroPure SP-RO-075R
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  • (1)
SpiroPure SP-RO-075R RO Membrane Filter Replacement 75 GPD
List Price: $20.60

Our Price: $12.51

Save: $8.09!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 75 gallons per day
SpiroPure SP-RO-100R
SpiroPure SP-RO-100R RO Membrane Filter Replacement 100 GPD
List Price: $25.96

Our Price: $13.93

Save: $12.03!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 100 gallons per day
SpiroPure SP-RO-150R
SpiroPure SP-RO-150R RO Membrane Filter Replacement 150 GPD
List Price: $36.22

Our Price: $15.49

Save: $20.73!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 150 gallons per day
SpiroPure SP-RO-200R
SpiroPure SP-RO-200R RO Membrane Filter Replacement 200 GPD
List Price: $50.18

Our Price: $22.30

Save: $27.88!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 200 gallons per day
SpiroPure SP-RO-300R
SpiroPure SP-RO-300R RO Membrane Filter Replacement 300 GPD
List Price: $55.72

Our Price: $23.77

Save: $31.95!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 300 gallons per day
SpiroPure SP-RO-400R
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  • (1)
SpiroPure SP-RO-400R RO Membrane Filter Replacement 400 GPD
List Price: $56.00

Our Price: $24.39

Save: $31.61!
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Replace every 12 months
Polyamide Thin-Film Composite membrane offers high-density enhanced filtration at a flow rate of 400 gallons per day