Safe-T-Cover - Shutter Mount Exhaust Fan nwgf Petromat 4597 is nonwoven polypropylene

Petromat 4597 is nonwoven polypropylene geotextile fabric that is used as a moisture barrier and stress absorbing interlayer beneath asphalt overlay or a chip seal and exceeds ASSHTO M288 requirements for pacing fabric

and durability of PP5-Pro provides a decades long design life and suitability for harsh environments including debris flow and light vehicle traffic

Around the outside of each mat is a geotextile filter fabric

- Size: 13W X 39L X 36H

- Size: 51W X 124L X 67H

Safe-T-Cover - Shutter Mount Exhaust Fan nwgf Petromat 4597 is nonwoven polypropyleneFeaturing totally enclosed direct drive motors, these exhaust fans are designed to remove stale air from rooms, barns, garages and enclosed work areas. They mount from the inside of the wall. ***Needs to be purchased with a backdraft damper, which is sold separately.