Filtrete Red Micro Allergen Filter, Quarter Pallet, Includes 6 Each Of The Following: TV #395-830 UPC: 0 51111 09800 4, TV #395-913 UPC: 0 51111 09801 1, TV #369-143 UPC: 0 51111 09802 8 & TV #369-291 UPC: 0 51111 09803 5, 3 Month Filter Is 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.