Atmosphere Backdraft Damper Options:4" Backdraft Damper Increased corrosion resistance

Increased corrosion resistance

This pump has 1 impeller

Vermicrop built on that base with their core humic ingredients: VermiGreen (thermophilic compost)

With their 2800° Kelvin color temperature

You can even set the humidistat to switch to “fan mode” once a specific value has been reached

Atmosphere Backdraft Damper Options:4" Backdraft Damper Increased corrosion resistanceAtmospheres all new galvanized steel backdraft dampers fit directly into the duct, simplifying installation. They feature a shaft for each of the two flaps, which prevents jamming. Also, the flaps close onto a perimeter gasket, ensuring the best air seal and quiet operation.