Lambro 402L Roof Vent Kit, 7-Piece

Kit contains 4 in black plastic roof cap, plastic adaptor, 2 plastic clamps and 4 in x 8 ft UL listed duct. Recommended use bathroom fan.

Features:

• Opening/closing damper prevents outside elements from entering the vent
• Screen prevents birds from nesting inside of vent
• Designed to prevent leaks with proper installation
• Laminated foil design for easier installation
• Can be used in either 3 or 4 in installations