crucial air filter replacement parts compatible with honeywell part # ac-813, d13-c, d-13 - fits honeywell hcm-525 humidifier wick filters - simple easy use for home - (4 pack) crucial air <p>top benefits of air filters include long lasting, reliable, and better air quality. they are easy to install for maximum durability and healthier living. our air filters replace honeywell part # ac-813, d13-c, d-13 and honeywell hcm-525 humidifier wick filters. available in 1 pk, bulk packs.</p> <p>it's essential for premium air quality and filtered air in our home and commercial space. helps keep a home free of dirt, with frequent filter replacement.</p><p>replacing honeywell vacuum filters and air purifier filters should help clean the air in our surroundings. <p><p>our filter measures 6"" x 4"" x 3"" inches. switch out in less than five (5) minutes, providing time efficiency. price and quality filters that work well. get back to daily activity quickly and make a big difference with air quality in the process. simply remove the older and dirty filter and replace. this filter is also washable and reusable and fit, dry much better.</p> <p>replace honeywell air filters every 6 to 12 months for optimal performance or three (3) to four (4) times per year depending upon usage. when a clogged or dirty filter, it can cause it to work harder and impact utility bills. we deliver high quality, durable and long-lasting replacements. they are an efficient investment. easy to maintain for the long run. available in 1pk, bulk pack.</p> <p>this is a generic product designed and engineered in the united states by crucial air. this is not a honeywell oem product and is not covered under any honeywell manufacturer's warranty. the honeywell brand names and logos are the registered trademarks of their respective owners. any use of the honeywell brand name or model designation for this product is made solely for purposes of demonstrating compatibility.</p>