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Outdoor Essentials
10% OffNew
Membrane Solutions C3 32oz 6-Stage Stainless Steel Water Filter Bottle
Sale price$39.99 USD
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Membrane Solutions 6L Gravity Straw Water Filter Purification Systems
Sale price$39.99 USD
10% OffPre-order
10% OffTop
10% OffNew
Membrane Solutions C3 32oz 6-Stage Stainless Steel Water Filter Bottle
Sale price$39.99 USD
Pre-order
Membrane Solutions 6L Gravity Straw Water Filter Purification Systems
Sale price$39.99 USD
Filter Combo Sets
Home Essentials
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10% OffTop
5% OffTop
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15% OffTop
10% OffTop
SimPure 10 x 2.5 inch Universal Whole House Water Filter Housing for Home
Sale price$29.99 USD
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5% OffTop
SimPure DC5S 40 Micron Whole House Anti Scale Spin Down Water Filter with Siliphos
Sale price$56.99 USD
10% Off
10% OffTop
5% OffTop
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15% OffTop
Air Essentials
35% OffHot
MSA3 Quiet HEPA Air Purifier for Large Room and Bedroom Space Up To 1590 Sq. Ft
Sale price$139.99 USD
40% OffTop
20% OffTop
SimPure MS6 Mini Air Purifier For Car | True HEPA Filtration | 3-Stage Filter
Sale price$48.99 USD
Regular price$58.99 USD
$70 OffTop
Genuine MSA3/MSA3S Original Air Purifier Filter Replacement
Sale priceFrom $51.99 USD
Regular price$89.99 USD
SimPure HP8 Air Purifier Replacement Filter | True HEPA Replacement | 4-Stage Filtration
Sale priceFrom $32.99 USD
35% OffHot
MSA3 Quiet HEPA Air Purifier for Large Room and Bedroom Space Up To 1590 Sq. Ft
Sale price$139.99 USD
40% OffTop
20% OffTop
SimPure MS6 Mini Air Purifier For Car | True HEPA Filtration | 3-Stage Filter
Sale price$48.99 USD
Regular price$58.99 USD
$70 OffTop
HELP CENTER
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Start with where you want filtration and what you want to address. Countertop RO systems are convenient for drinking water without under-sink installation, under-sink RO systems save counter space, and whole-house systems treat water before it reaches multiple fixtures.
Choose a countertop RO system if you prefer simple setup, portability, and easy access. An under-sink RO system is generally better when you want the filtration equipment hidden below the sink and a dedicated supply of purified drinking water.
Whole-house filters treat water entering the home and are commonly used for sediment, chlorine, and other contaminants depending on the filter media. RO systems provide finer treatment at the point of use and are designed to reduce dissolved substances and TDS.
No. Replacement filters are designed for specific systems, cartridge dimensions, or model families. Always match the replacement kit to the exact system model before ordering.
Follow the replacement schedule for your specific system. Reduced flow, increased pressure drop, changes in taste or odor, or declining filtration performance can also indicate that a filter needs attention.
No. Portable outdoor filters are designed for hiking, camping, travel, and emergency use, while home RO systems are designed for routine household drinking-water treatment.