Bonnet style fan shrouds with elastic edging is available for the back side of any sized round fan guard to keep dust from being drawn in and recirculated through a facility as the fan blows. The filter opens and closes with hook closure, finished with an outer elastic edge and a center cut-out for easy installation. Fits snug around motor encasement. Filter attracts and holds the particles until it is easily changed out and disposed of.

• Filter Thickness: .25”
• Initial Air Flow Resistance: .06 in” w.g.
• In case of 12 per size