Tjernlund V1D Crawl Space Ventilator

Product Features

• 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