⚡ 10% Off Sitewide (Code: SP10) | 15% Off $200+ (Code: SP15)
Summer’s Final Hydration Event | Save Up To $130 RO Units + Get an extra 12% off filter orders over $49
Outdoor Essentials
10% OffNew
Membrane Solutions C3 32oz 6-Stage Stainless Steel Water Filter Bottle
Sale price$39.99 USD
10% OffTop
SimPure 3L Gravity Water Filter Filtration System Backpacking Portable for Survival
Sale price$29.99 USD
5% OffPre-order
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New
10% OffTop
10% OffTop
10% OffTop
Top
10% OffNew
Membrane Solutions C3 32oz 6-Stage Stainless Steel Water Filter Bottle
Sale price$39.99 USD
10% OffTop
SimPure 3L Gravity Water Filter Filtration System Backpacking Portable for Survival
Sale price$29.99 USD
5% OffPre-order
Filter Combo Sets
SimPure T1-100ALK One Set of Replacement Filter (Not applicable to T1-400 series)
Sale price$102.98 USD
SimPure T1-100 One Set of Replacement Filter (Not applicable to T1-400 series)
Sale price$103.99 USD
Home Essentials
10% Off
10% OffTop
5% OffTop
10% OffTop
15% OffTop
10% OffTop
SimPure 10 x 2.5 inch Universal Whole House Water Filter Housing for Home
Sale price$29.99 USD
Top
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
10% OffTop
15% OffTop
Air Essentials
$50 OffHot
MSA3 Quiet HEPA Air Purifier for Large Room and Bedroom Space Up To 1590 Sq. Ft
Sale price$139.99 USD
40% OffTop
30% 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
$50 OffHot
MSA3 Quiet HEPA Air Purifier for Large Room and Bedroom Space Up To 1590 Sq. Ft
Sale price$139.99 USD
40% OffTop
30% 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.