Allergen Defense Red Micro Pleated Furnace Filter, 20x24x1-In. Brand_Watco heater switch

heater switch

constructed with impact resistant polymers

Mode selector allows for usage in drill

Slide blister packaging is reusable for storage on pegboard by user

Allergen Defense Red Micro Pleated Furnace Filter, 20x24x1-In. Brand_Watco heater switch20" x 24" x 1", red, micro filtrete filter, 3 month filter is 90% effective at capturing large allergens like mold spores & pet dander, electrostatically charged, captures microscopic allergens like dust, smoke & smog, captures bacteria & particles that can carry viruses, meets the guidelines of the American lung association health house program, mpr rating 1000, lasts up to 3 months.