- Is a washable filter worth it over disposables?
- Only if you keep it clean and use it for years. At $52.98 at Lowe's as of November 7, 2026, it costs roughly what several disposable MERV 8 filters cost, so the savings come after that.
- What does MERV 8 actually filter?
- MERV 8 captures dust, pollen, lint, mold spores and similar particles. It does not reliably capture fine smoke or virus-sized particles; step up to MERV 11 to 13 for those.
- How often should I wash it?
- Rinse it every 1 to 3 months, or sooner in dusty homes or with pets. Let it dry completely before reinstalling, since a damp filter can grow mold and restrict airflow.
- Will it fit my furnace or AC?
- It fits slots that take a nominal 20 x 24 x 1 inch filter. Measure the actual opening, since nominal sizes run slightly larger than true dimensions.
- Does a washable filter hurt airflow?
- A clean one is comparable to a disposable MERV 8. A clogged or damp one raises resistance and can strain the blower, so keep up with cleaning.
- When is it cheapest?
- Filter prices move with seasonal HVAC demand and store promotions. Our agent can check the two stores listing it and flag when the price drops below $52.98.
- Where is the UBeesize 20 x 24 x 1 Washable MERV 8 Electrostatic Air Filter cheapest?
- At Lowe's, for $52.98, as of our latest check.
- Where can I buy the UBeesize 20 x 24 x 1 Washable MERV 8 Electrostatic Air Filter?
- 2 stores we checked sell it, including Tractor Supply Co, Lowe's.