Lambro EC-3480GMS-11-PG 8IN PG M 26G GV HD VNT SD

• Mounts over existing 8-in. openings;• Recommended for bath fan, range hood, and microwave exhaust installations;• For new or replacement vent installations;• 11-in. pipe for through-the-wall installation;• Designed for maximum airflow;• Spring-controlled opening and closing damper stays closed when not in use;• 1/4 in. wire mesh screen prevents outside elements from entering ;• Opening with screen with net-free area of 28 sq. in.; 40 in. when screen is removed;• Made of 26-gauge, paint-grade galvanized steel for durability and longevity;• Installation screws not included;