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Reverse Osmosis Water Filters


SpiroPure offers a range of high-quality, advanced reverse osmosis water filtration systems for nearly any need. Choose from portable countertop, apartment, RO/DI deionization tankless filters, 5-stage under-sink reverse osmosis (RO) systems with water tanks and optional air gap faucets, or swift twist RO systems. Whether you need RO water filters for drinking water, aquariums or reefs, CPAP machines, RVs, humidifiers, cooking and food prep, or spot-free glass and car cleaning, we’ve got a system that suits your needs. Check out the available replacement filter sets, as well as RO membrane elements, in a variety of gallons per day (GPD) capacities, including 50, 100, and 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: $319.70

Save: $132.30!
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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 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

SP-RO100MP Remineralization

SpiroPure SP-RO100MP RO Filter System Under Sink 6-Stage with Remineralization

List Price: $318.00

Our Price: $159.00

Save: $159.00!
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No Faucet / Unbranded

6-stage under sink RO filter system with remineralization adds back lost beneficial minerals for better taste and pH

SpiroPure SP-RO100-BK

SpiroPure SP-RO100MP-BK 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $228.40

Save: $211.59!
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Matte Black Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-CM

SpiroPure SP-RO100MP-CM 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $399.99

Our Price: $219.77

Save: $180.22!
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Chrome Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-GD
  • 5 Stars
  • (1)

SpiroPure SP-RO100MP-GD 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $251.33

Save: $188.66!
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Gold Air Gap Faucet

6-Stage RO system with remineralization great for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-NK

SpiroPure SP-RO100MP-NK 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $227.25

Save: $212.74!
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Nickel Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

SP-RO125MP Remineralization

SpiroPure SP-RO125MP RO Filter Replacement Set 12 Month 6-Stage with Remineralization

List Price: $99.98

Our Price: $49.99

Save: $49.99!
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Replace every 12 months

12 month replacement filter set for SP-RO100MP includes 6-stages of RO filtration including MineralPlus remineralization

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
  • 5 Stars
  • (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
  • 5 Stars
  • (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

Complete RO Water Filtration Solutions

All Filters is your one-stop shop for all your reverse osmosis water system requirements. Whether you’re looking for compact countertop models with instant hot water and remineralization or under-sink systems with modern faucets, we have high-quality SpiroPure systems for every need. We also stock portable and aquarium RO systems with affordable replacement RO membranes. With our wide selection and reliable customer support available seven days a week, you’re sure to find the right system or replacement.

Get RO Water Filters Online

Get the right RO system or replacement filters and enjoy cleaner, contaminant-free water. At All Filters, we offer free shipping on orders over $99 and special shipping deals on each product. Many of our SpiroPure products come with a satisfaction guarantee, which entitles you to a full refund within 30 days of delivery, allowing you to shop with confidence. Order reverse osmosis water filters and enjoy significant cost savings on products for home, aquarium, or portable use.

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