16x20x1 1m Flanders Fltr

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. • MERV 1 rating, Efficient removal of Dust and Lint. • Self-retaining spun glass media adheres directly to frame. • Low initial pressure drop helps protect HVAC equipment reducing energy costs. • Easy to install and lasts up to 30 days. • Heavy one-piece chipboard frame protects against corner separation. • Available in 1" size. • Space saving panel filters "nests" inside each other.