Tjernlund underaire crawl space ventilator - deluxe one-fan, 110 cfm, model# v1d
Tjernlund Deluxe UnderAireT 110 CFM Crawlspace Ventilation Fan. Single fan and large faceplate sized for ventilation openings through block foundations. Includes thermostat, dehumi... Show More
Tjernlund Deluxe UnderAireT 110 CFM Crawlspace Ventilation Fan. Single fan and large faceplate sized for ventilation openings through block foundations. Includes thermostat, dehumidistat and pre-wired 6' power cord. Fan powered crawl space ventilation