APEC Essence high capacity pre-filter set is made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system. Premium quality filter set lasts over 6 months for high performance contaminant removal. These standard size filters are compatible with APEC Essence Series and all other 10" standard size under counter RO systems. • Replacement filter set ONLY for APEC ROES-UV75-SS with serial number AZ-UVSS-2500 and above• Made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system• Includes 1 sediment filter, 2 carbon block filters and 1 UV replacement light bulb• Premium quality pre-filter set lasts over 6 months for high performance contaminant removal. Effective in removing dust, particles, rust, chlorine, tastes, odors, cloudiness, colors, VOCs and other common chemicals from the water• Continuous UV sanitation destroys up to 99. 99% of bacteria, viruses and cysts for chemical-free purified drinking water