PCB Filter Features 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐦𝐨𝐝𝐞𝐥 - Compatible with Airthereal Pristine Lite3 Countertop Reverse Osmosis System. * 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐦𝐨𝐝𝐞𝐥 - Compatible with Airthereal Pristine Lite3 Countertop Reverse Osmosis System. * It is recommended to replace the PCB filter every 6 - 9 months to ensure the quality of the water. (Due to the difference in feed water quality, the above is estimated). And the built-in real-time water quality indicator Light will light up to remind you to replace the filters. * PCB Filter: Elevating water quality, eliminate chlorine, organic compounds, and odors, ensuring great taste and freshness. * Easy Change: The twist-in filter system makes the filter replacement a breeze and no tools required. The tool-free replacement saves your time and energy. Your hassle-free life is our concern. * 100% Satisfaction Guaranteed: At Airthereal, we stand 100% behind our products. Contact us if you have any questions, and we will respond promptly. RO Filter Features * 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐦𝐨𝐝𝐞𝐥 - Compatible with Airthereal Pristine Lite3 Countertop Reverse Osmosis System. * It is commended to replace the Airthereal RO Filter Every 12 - 24 months to ensure the quality of the water. (Due to the difference in feed water quality, the above is estimated). And the built-in real-time water quality indicator Light will light up to remind you to replace the filters. * RO Filter: Your first line of defense, remove particles, heavy metals, and dissolved solids. A modern water filter system that improves your drinking water quality. * Easy Change: The twist-in filter system makes the filter replacement a breeze and no tools required. The tool-free replacement saves your time and energy. Your hassle-free life is our concern. * 100% Satisfaction Guaranteed: At Airthereal, we stand 100% behind our products. Contact us if you have any questions, and we will respond promptly. How to Replace? * Power off & remove the tank * Twist off the original filter (counter-clockwise) * Insert the new filter (twist clockwise until tightened) * Hold 'drop' button for 3 seconds; a successful reset is signaled by a 1-second beep. Lite3 RO Water Dispenser RO Replacement Filter-1 Pack PCB Replacement Filter-2 Packs INCLUDES 1 x Water Dispenser + 1 x Glass Pitcher + 1 x RO Filter + 1 x PCB Filter FUNCTION Block all particles, heavy metals, bacteria, viruses, and dissolved solids. FUNCTION Eliminate chlorine, sediment, organic compounds, and odors. RECOMMENDATION For 1-2 People LIFESPAN </