Vent Block Foam Plug, Gibraltar Industries, Foam, For: Lawrence, Vent-Air, Norwesco Vents, 1/PR

Constructed from foam, lightweight and easy to install or replace seasonally, includes a pair of pre-attached vent plugs, help reduce utility bills, designed to fit snugly within the cavities of Lawrence (Sku # 810-4903), Vent-Air (Sku # 810-4911) and Norwesco (Sku # 117-0182) design block vents (not included).

• Deluxe block vent foam plugs are sold in pairs
• Simply snap the foam plug into two pieces and pressure fit into the block vent

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