Filtrete 20 In. x 25 In. x 1 In. 1500 MPR Allergen, Bacteria & Virus Smart Furnace Filter, MERV 12 Pack options:Pack of 1 372 and CSA (Canadian Standards

372 and CSA (Canadian Standards Association) B483

Vertical switch

Kit includes 2 each brass heavy-duty bolts and 6 each brass washers

and (1) USB cable & power adapter

The M18 REDLITHIUM High Output battery pack provides increased power in extreme cold weather conditions (below 0 F / -18 C) and delivers more work per charge

Filtrete 20 In. x 25 In. x 1 In. 1500 MPR Allergen, Bacteria & Virus Smart Furnace Filter, MERV 12 Pack options:Pack of 1 372 and CSA (Canadian StandardsThe Filtrete Smart Allergen, Bacteria & Virus Air Filter attracts and captures microscopic particles like bacteria, particles that can carry viruses, and large particles like mold spores and pollen. Its Bluetooth enabled sensor pairs with the Filtrete Smart App to help track filter life and determine optimal time for replacement based on your home's HVAC system's usage. According to the EPA, dirt and neglect are the top causes of heating & cooling