90 day filter, 23 times more effective than fiberglass filters. Filters airborne allergens including dust, dirt and pollen. Helps reduce dust and dirt buildup in furnace systems and air ducts. Cardboard frame material, made in the USA.
5037741239 15X20 FILTER PLEAT
5037756512 25X25 FILTER PLEAT
HOSE SS FLEX 1/2BVX3/4FIPX18IN
