3M Filtrete HVAC 5″ Filter Allergen Reduction, 2-PackCondition:* New Surplus Stock, In OEM Packaging. * One Filter Unwrapped But Unused. Additional Notes:* Dimensions: 16″ x 25″ x 5″* Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system* Designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through* Attracts and captures microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses–and large particles, including lint, household dust and pollen* 1550 MPR has a rating of MERV 12* The higher the MPR, the more microparticles–such as pollen, pet dander, smoke, bacteria and viruses–your filter will capture from the air passing through it* 54% small particle capture, like bacteria and particles that carry viruses*(* % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing)* Certified as asthma & allergy friendly* (*As outlined in report ASCR: 1246-01)* For optimal performance of your heating & cooling system or HVAC system, change your home air filter at least every 12 months for 5″ Filters3M 1519441