Warp's Coverall® Polyethylene Silage Covers & Plastic Tarps 4 Mil Brand_M-D Bldg Prods The PCV1 mounts behind an

The PCV1 mounts behind an existing foundation vent for invisible operation and offers easy installation in a variety of constructions

Indoor enclosure type 1

above or below grade

and other metal surfaces subjected to temperatures up to 1200 deg

wall construction joints

Warp's Coverall® Polyethylene Silage Covers & Plastic Tarps 4 Mil Brand_M-D Bldg Prods The PCV1 mounts behind anThe Original Silo Cap Cover is made of heavy duty Coverall, the best polyethylene for agricultural use. Save tons of silage by stopping spoilage. Full weight black, sun resistant plastic covers are available in 3 mil plastic tarps and 4 mil Round Cut, sealing tight to produce top quality silage. Not affected by moisture or fumes. Economical. Each easy to handle, reusable cover is packaged in a colorful bag with full instructions included.