91国产偷拍

Brick vents provide a permanent means of ventilation for crawl spaces, hung ceilings, incinerator rooms, chimney flues, foundations, pipe spaces and corridors. Extruded construction provides a quality finished appearance. A high water stop at the rear and deep overlapping blades with storm stops provide maximum resistance to rain and weather.

• Anodized aluminum construction
• Built in aluminum mesh insect screen

Hooded wall cap with round duct connection designed for outside wall applications. Constructed of aluminum, units feature built-in damper.

Hooded wall cap with round duct connection designed for outside wall applications. Constructed of aluminum, units feature built-in birdscreen and damper.

Brick vents provide a permanent means of ventilation for crawl spaces, hung ceilings, incinerator rooms, chimney flues, foundations, pipe spaces and corridors. Extruded construction provides a quality finished appearance. A high water stop at the rear and deep overlapping blades with storm stops provide maximum resistance to rain and weather.

• Anodized aluminum construction
• Built in aluminum mesh insect screen

Brick vents provide a permanent means of ventilation for crawl spaces, hung ceilings, incinerator rooms, chimney flues, foundations, pipe spaces and corridors. Extruded construction provides a quality finished appearance. A high water stop at the rear and deep overlapping blades with storm stops provide maximum resistance to rain and weather.

• Anodized aluminum construction
• Built in aluminum mesh insect screen

Wall louvered discharge with anodized aluminum grille designed for exterior applications. Units feature built-in damper to eliminate backdrafts.

Wall louvered discharge with anodized aluminum grille designed for exterior applications. Units feature built-in damper to eliminate backdrafts.

Hooded wall cap with round duct connection designed for outside wall applications. Constructed of aluminum, units feature built-in birdscreen and damper.

Model RCC-7 roof cap accessory includes weathertight aluminum construction with an integral birdscreen and built-in curb cap. Requires roof curb (sold separately).

Model RFC-7 roof cap accessory includes weather-tight aluminum construction with an integral birdscreen and built-in flashing flange.

Hooded wall cap with rectangular duct connection designed for outside wall applications. Constructed of steel with black enamel finish, units feature built-in birdscreen and damper.

Hooded wall cap with square duct connection designed for outside wall applications. Constructed of steel with black enamel finish, units feature built-in birdscreen and damper.

Hooded wall cap with rectangular duct connection designed for outside wall applications. Constructed of steel with black enamel finish, units feature built-in birdscreen and damper.

Pitched roof cap discharge accessory constructed of steel with black enamel finish. Includes integral flashing flash, built-in birdscreen and damper.

Pitched roof cap discharge accessory constructed of steel with black enamel finish. Includes integral flashing flash, built-in birdscreen and damper.