#913 4" Hooded Vent (Color Match: Royal Marine Blue)

Subtle details elevate the concealed vent flap from functional to fashionable.

• Locking positions: .75", 1", 1.25"
• 12 sq. in. net free ventilation area.
• Includes 8" long aluminum tube (4" dia.).
• Small Animal Guard available separately
• Fits 4-inch pipe