The Filtrete Healthy Living 1550 Ultra Allergen Reduction Slim Fit 4-inch filters are some of the best HVAC filters for allergy-sufferers and people looking for clean indoor air. These high performance deep pleat allergy and odor reduction filters are perfect for pulling in and trapping everything from dust, bacteria, germs, smoke, pet dander, allergens, and viruses. Slim Fit filters measure 3.75 inches in depth for accurate sizing to ensure a correct fit.

Breathe easier knowing unwanted particles like bacteria and allergens will be caught by the Filtrete 1550, which is the best from 3M for capturing particles from your home. This filter also catches smoke particles and odors. Its deep pleat design also means it can be used for up to 12 months before you replace it.

Superior Filtration

A microparticle performance rating (MPR) of 1550 is comparable to a MERV 12 rating, This is one of the highest residential MERV ratings created by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). It captures particles as small as 0.3 microns, so dust, pet dander, and nearly all other residential allergens are caught and removed from your air.

**Depending on how much your run your HVAC system and living conditions, you may need to replace more frequently

Additional Features

• These allergen-filters can be used for up to 12 months of use.
• Electrostatic pleated filter attracts and captures particles between 0.3 and 1 micron.
• These 3M Filtrete deep pleat filters are more than 3 times better at capturing bacteria and viruses than 1-inch filters.

Filters are available in the following size as a single filter or in a convenient 2-Pack.

Filter Sizes

• 16 x 25 x 3.75
• 20 x 25 x 3.75

*Be sure to measure your current filter to make sure the 4-inch 3M Filtrete 1500 MPR Slim Fit filter is the correct filter for your furnace.