Photo 1 of CADPXS Crawlspace Ventilation Fan, Crawlspace Fan vent with humidistat, Dehumidistat & Freeze Protection Thermostat, for Crawl Spaces/Basement/Garage/Attic/Hydroponics Grow Tents (220 CFM Air Out)

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Photo 1 of CADPXS Crawlspace Ventilation Fan, Crawlspace Fan vent with humidistat, Dehumidistat & Freeze Protection Thermostat, for Crawl Spaces/Basement/Garage/Attic/Hydroponics Grow Tents (220 CFM Air Out) Photo 2 of CADPXS Crawlspace Ventilation Fan, Crawlspace Fan vent with humidistat, Dehumidistat & Freeze Protection Thermostat, for Crawl Spaces/Basement/Garage/Attic/Hydroponics Grow Tents (220 CFM Air Out)