<p>Indoor air pollution is steadily becoming a problem, and air purification is becoming more popular. An air purifier is a great way to remove air pollution in rooms that need purifying the most, but it is important to replace the filters periodically so that your air purifier is always working in top condition. It combines electrostatic filtration and activated carbon filtration to remove airborne allergens, smoke, and odors. This makes a much more pleasant, as well as healthier, environment! For fresher, cleaner air, order this replacement filter today!</p> <b>BDP carbon pre-filter blankets</b> <p>For optimum performance, change filter every 3 months.</p>- SKU: FLTN3434