Carrier Ductless Mini Split Air Freshness Filter - 2 Pack

This genuine Carrier upgrade filter helps improve indoor air quality by reducing airborne odors, pollen, and allergens in your ductless mini split system. Designed to enhance standard filtration, it’s a simple way to help your space feel fresher between cleanings. Compatible Indoor Unit Models: All Carrier Mini-Split Indoor Systems with a Molded Filter Insert Holder on the Large Particulate Dust Filters in your system! 40MAQB09B 102, 131, 302, 321, 331 0MAQB09N 121 40MAQB12B 102, 121, 131, 302, 321, 331 40MKCB18B 301, 22B 301, 28B 301, 32B 301 40MKQB24B 301, 28B 301 And Many others - Check your Owner's Manual Filter Dimensions: 8.4" x 2" What’s Included: Two (2) Carrier Freshness Filters per order. Maintenance & Care Clean the filter every two weeks using a vacuum with a soft-bristle brush attachment. Do not wash or rinse with water—this may degrade the media and reduce performance. Always reinstall only when dry and intact. Replacement Guidance Although reusable, this freshness filter loses effectiveness over time. Depending on your environment and maintenance habits, we recommend replacing the filter every year to maintain air quality and odor control.