Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" Pneumatic Fasteners 080" x 7/8-5/8"

080" x 7/8-5/8"

Equalizes porosity and surface texture differences of gypsum panel face paper

< 1% of total volume to ensure shelf life safety Directions

Size : 1 lbs

drywall material

Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" Pneumatic Fasteners 080" x 7/8-5/8"Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi metal coil, fully enclosed by protective cover. No electrical hook up required. Stainless steel and corrosion resistant metal parts. 62 square inches net free area. Heavy duty aluminum mesh screen, front and back. Highlights: Size: 8" x 16" Material: Thermoplastic Automatically opens at 70 degree F, closes at 40 degree F Finish: Gray With 18" lintel