National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Fire Pits this Genie garage door opener

this Genie garage door opener features an integrated battery backup

Use a low profile cover when the top of the window is at or below the top of the area wall

Ventilated opening dimensions: 10" x 12-1/2"

trucks and trailers

National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Fire Pits this Genie garage door openerCatalog model No. V521 series. Cold rolled steel. Designed for hanging self closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1 4" radius, round corner automatic door closing spring hinge.