Allergen Defense Red Micro Pleated Furnace Filter, 20x24x1-In. Lap Cement Hot drop-forged steel blades provide

Hot drop-forged steel blades provide market-leading strength

You can re-coat or even create your own trap

Rough or rugged environments won’t be an issue thanks to a hardened 1

The Adjustable 3" Flush Valve and Tank to Bowl Gasket Kit fits specific toilet models made after 1997

Allergen Defense Red Micro Pleated Furnace Filter, 20x24x1-In. Lap Cement Hot drop-forged steel blades provide20" 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.