Filtrete Odor Defense Pre-Filter

This filter is designed to be cut-to-fit, meaning you can trim the 20.5 x 23.8-inch sheets to match the dimensions of your existing purifier's intake grill or filter frame. Simply measure your current filter or the intake area and cut the sheet to size with standard scissors.

No, this is a pre-filter, not a replacement for your primary HEPA or main filtration system. Its purpose is to capture larger particles and absorb odors before they reach your main filter, which helps extend the life of that primary filter.

No, these filters are not washable or reusable. Once the carbon material becomes saturated with odors or the surface is covered in dust, you should discard the sheet and replace it with a fresh one to maintain optimal performance.

Yes, the carbon-infused material is specifically engineered to neutralize common household smells, including those from pets, cooking, and tobacco smoke. While it excels at odor absorption, it is most effective when used in conjunction with a high-quality main filter.

Replacement frequency depends on your specific environment, such as the number of pets you have or how often you cook. Generally, you should check the filter every few months and replace it when you notice a decrease in airflow or a return of household odors.