Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" Pneumatic Fasteners < 1% of total volume

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

drywall material

Dry Time: 8 hour

Equalizes porosity and surface texture differences of gypsum panel face paper

Kit includes 59" bungy shower hose (stretches to 80")

Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" Pneumatic Fasteners < 1% of total volumeAutomatically 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