Witten 8 In. x 16 In. Gray Automatic Foundation Ventilator iGrill Holds strong under weather extremes

Holds strong under weather extremes

replaces most fiberglass and aluminum door cables

For composition

A lightweight underlayment designed for tile installations over wood and concrete substrates

Puncture and abrasion-resistant

Witten 8 In. x 16 In. Gray Automatic Foundation Ventilator iGrill Holds strong under weather extremesAutomatically 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.