Product Review

Automatic gable shutter, white, louvers open outside when gable Fan is running, louvers close when gable Fan shuts off, made of plastic to prevent rust, Rough opening is 16" x 17-3/4", to be used with 54703 #'s 53315, 53316, 53319 & 53320.This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in china.