Allergen Defense Red Micro Pleated Air Furnace Filter, 14x24x1-In. Master Lock For use with extra large

For use with extra large dogs up to 60 lbs

and in a re-sealable 10 lb

and mange mites in cattle and gastrointestinal roundworms

or vent pipe and fittings

Tapping block and a Pull bar

Allergen Defense Red Micro Pleated Air Furnace Filter, 14x24x1-In. Master Lock For use with extra large14" x 24" x 1 Red Micro Allergen Filtrete Filter. 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, 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, Filter Lasts For 90 Days.