4.5in Air Filter Box with MERV 11 Filter for 17.5" wide Air Handlers (AM11-1620-AB)

A MERV 11 media air cleaner for residential applications, that helps remove a wide range of airborne particles as small as 0.3 micron Intuitively designed with outer dimensions that match original equipment furnace and air handler.

This filter is designed for air handlers and is 16" x 20". (Air handlers that are 17.5" wide, "B" width)