- Is MERV 13 too restrictive for my furnace?
- MERV 13 filters are denser than MERV 8 and can reduce airflow in systems with tight ducts or a low-capacity blower. Check your furnace manual for the maximum MERV rating it allows. If it lists MERV 11 or lower, step down.
- How often should I change these filters?
- Most homes change a 1-inch MERV 13 filter every 1 to 3 months. Homes with pets, heavy dust or long run times should change closer to every month.
- How does MERV 13 compare to MPR 1500?
- MPR 1500 is a 3M rating roughly equivalent to MERV 13. Both target fine particles like pollen, dander and smoke; neither is a HEPA filter.
- What size filter do I need?
- This filter is 14 inches wide, 30 inches long and 1 inch deep. Measure your existing filter or the slot, since the nominal size printed on the old filter can differ slightly from the actual dimensions.
- Is $242.05 for 24 filters a good price?
- That works out to about $10 per filter, which is in line with other MERV 13 filters in this size. The Home Depot listed it at $242.05 as of November 7, 2026.
- Can I wash and reuse these filters?
- No. These are disposable pleated filters. Vacuuming lightly between changes is fine, but water damages the media, so replace them instead.
- Where is the Simply 14 x 30 x 1 MERV 13 MPR 1500 AC Furnace HVAC Air Filter 24 Pack cheapest?
- At The Home Depot, for $242.05, as of our latest check.