Features . Filtrete smart allergen bacteria and virus filter attracts and captures microscopic particles like bacteria. Particles that can carry viruses. Large particles like mold spores pollen. Its sensor pairs with the filtrete app to help monitor air flow usage. Not just time letting you know when it s right to make a change Specifications . MPR Rating 1 500. Country of Origin Mexico. Dimension 14 x 20 x 1 . Weight 4 48 lbs