Witten 8 In. x 16 In. Gray Automatic Foundation Ventilator Outdoor Square cells for effective fluorescent

Square cells for effective fluorescent tube shielding and even light distribution

Cartoned 10 pieces per carton

The ribbed side separates the fat content like a BBQ and is great for searing a steak

Nonabsorbent

Column caps provide a strong connection for column-beam combinations

Witten 8 In. x 16 In. Gray Automatic Foundation Ventilator Outdoor Square cells for effective fluorescentAutomatically opens at 70 degrees and closes at 40 degrees. Key working mechanism, bi metal coil, fully enclosed by protective cover. High density thermo plastic construction with stainless steel metal parts. Built in lintel. No electrical hook up. Heavy duty aluminum mesh screen, front and back. 1 year warranty.