think crucial replacement air conditioner filter compatible with part # 21x23x1 & models merv 11 allergen air furnace & ac filt

2 PACK OF AIR FILTERS REPLACEMENT COMPATIBLE WITH PART # 21X23X1 & MODELS MERV 11 that can replace your furnace or air conditioner's filter. Get back to having a clean air to breathe again! This filter is 21" x 23"x 1" inches. Replacement filter will fit in your heating, venting, or cooling system.*MERV 11 RATING - BREATHE CLEANER AIR: Stay away from a MERV8 and instead opt for our MERV11 filter! While lower MERV numbers only trap larger particles, a MERV 11 filter can remove pollutants as small as 1-3 microns, which includes particles like humidifier dust, auto emissions and legionella.*HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't clean your air filter that will be exactly what you'll be doing! Replacing your filter will help clean your furnace or air conditioner's air and allow for a healthier lifestyle! This filter helps keep our household dust, pollen and mold spores.*EASY TO INSTALL so you can get back to breathing in clear air as soon as possible! Simply remove your old filter and put this brand new one in its place! Pleated filters capture more dust and dirt particles due to our MERV 11 rating! By using a new air filter the air you breathe into your lungs in your home is healthier. When your furnace or air conditioner has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill and your health.*THINK CRUCIAL manufactures premium air filters. We stand behind the quality and workmanship of all our products. We maintain a thorough quality control process to ensure compatibility with the air filters models and parts listed above.

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