gibraltar industries dvbp vent block foam plug, 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

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/CMI_100008609_Catalog.pdf