Lambro EC-34400GNDMS-PG 4IN PG M 26G GV IN VT ND

• Mounts over existing 4-in. openings;• For new or replacement vent installations;• Recommended for allowing clean, fresh air into the home, especially for gas appliances;• Made of 26-gauge paint grade steel for durability and to maintain longevity; matte gray finish is ready to paint;• Opening contains screen with a net-free area of 11 sq. in.;• 11-in. pipe for through-the-wall installation;• 1/4-in. wire mesh screen prevents critters and outside elements from entering the home through the vent;• Requires installation screws (not included);