PATIKIL 39-Inch x 20-Inch x 0.6-Inch Air Conditioner Filter Replacement Washable Reusable Cut to Fit Foam Filter Air Filter for RV AC Vent Window Purifiers Computer 40PPI

Application: This reusable dust filter is suitable for air conditioners, HVAC systems, purifiers, vents, electronic cabinets, and various other filtration needs.

Performance: Made of high-density sponge, it effectively filters dust, pollen, and pet dander to improve air quality without clogging.

Durability: It is washable, reusable, and features flame-retardant properties for safe, long-term use.

Installation: Easily cut it to your desired size for a custom fit in your unit or system.

Note 1: Allow the sponge to fully expand before use for optimal performance; Clean or replace the filter regularly to maintain its effectiveness.