Allergen Defense Red Micro Pleated Furnace Filter, Single Pack, 18x20x1-In. Canning Lid Castrol GTX

Castrol GTX

use to reduce or increase pipe sizes

1/2" flare x 3/8" female pipe thread

machine washable genuine bullwhip leather won't dry out or shrink when wet

LONG LASTING

Allergen Defense Red Micro Pleated Furnace Filter, Single Pack, 18x20x1-In. Canning Lid Castrol GTX18" x 20" 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.