COMPLETE 4-STAGE FILTER REPLACEMENT SET: This compatible reverse osmosis filter kit includes (2) 5-micron carbon block filters, (1) 5-micron sediment filter, and (1) 50 GPD RO membrane. It replaces every stage of your WP-4V system to restore flow, taste, and quality. Each filter is designed to enhance water clarity. Enjoy cleaner drinking water at home with every use. Ideal for under-sink water filter setups in residential homes. FITS WATTS WP-4V REVERSE OSMOSIS SYSTEM: This IPW Industries replacement set is fully compatible with the Watts WP-4V under-sink and reverse osmosis system. It delivers OEM-level filtration performance at a more affordable cost. Installation is quick and simple with standard fittings. Restore peace of mind with reliable dirt reduction and system efficiency. Suitable for DIY water filter replacement or home maintenance. PREMIUM FILTRATION FOR CLEANER DRINKING WATER: The sediment filter removes dirt and debris, while carbon filters reduce chlorine, VOCs, and odors. The 50 GPD RO membrane targets fluoride and heavy metals. This set improves water taste and clarity at every stage. It's ideal for homes needing consistent clean water from a trusted filtration system. Supports healthy hydration, cooking, and daily water use. CHANGE FILTERS REGULARLY FOR BEST RESULTS: Replace carbon and sediment filters every 6–12 months and the RO membrane every 2–3 years. Keeping filters fresh supports higher water pressure and longer system life. Regular maintenance also protects your family from harmful substance and particles. Clean water starts with clean filters you can rely on. Maintain peak RO system performance with on-time filter changes. TRUSTED WATER FILTRATION BRAND: IPW Industries Inc. has 17 years of experience and is a proud Water Quality Association member. This replacement filter kit offers performance and savings in one. We stand behind the quality of every component. Depend on IPW for safe, affordable, and reliable filtration for your Watts WP-4V RO system. Trusted by homeowners and water professionals. We’re committed to keeping your family’s water safe and clean. Maintain fresh, clean, and great-tasting water at home with this complete reverse osmosis filter replacement set for the Watts WP-4V system by IPW Industries Inc. This 4-stage compatible filter kit includes (2) 5-micron coconut shell carbon block filters, (1) 5-micron polypropylene sediment filter, and (1) high-performance 50 GPD RO membrane. Designed as a reliable and cost-effective replacement for original manufacturer filters, this kit fits seamlessly into your under-sink reverse osmosis water filtration system. The sediment filter removes dirt, sand, and rust, while the carbon block filters reduce chlorine, VOCs, and bad taste or odor. The reverse osmosis membrane targets dissolved solids, heavy metals, and fluoride for a safer, cleaner water supply. Replace pre-filters every 6–12 months and the RO membrane every 2–3 years for optimal performance. Filters install quickly with standard fittings, making it easy to maintain your system. This kit is ideal for households looking for an affordable and dependable water filtration solution. Backed by 17 years of industry expertise, IPW Industries is a trusted name in home water filtration.