Vents PS 101 Wall Vent Kit 4" with Mahogany External Grille Twinfresh The fan measures 8-1/16"W x

The fan measures 8-1/16"W x 6-1/2"H x 6-1/16"L

Fits a 4 1/16" wall opening

and other mechanical service points

Designed for simple installation

offering the latest in energy-saving technology

Vents PS 101 Wall Vent Kit 4" with Mahogany External Grille Twinfresh The fan measures 8-1/16"W xThe Vents PS101 Passive 4" Air Vent with Mahogany exterior grille is an efficient fresh air solution for homes, cottages, cabins, offices, and other residential or light commercial spaces. Designed for through wall installation, this passive wall vent helps improve indoor air quality by allowing outside air to enter the room without the need to open windows or use powered ventilation. Perfect for spaces that need simple, reliable background