Tjernlund V1D UnderAire Crawlspace Ventilator Fan Moisture Mold Reducing
Brand: Tjernlund


Power ventilate musty, damp crawl spaces through existing passive vents
Faceplate is sized for ventilation openings through standard block foundations
110 CFM, 20 watt maintenance free exhaust fan.
Includes adjustable dehumidistat, freeze protection limit and 6 foot grounded power cord
Faceplate can be trimmed to match non-standard foundation openings