
Constructed from foam Designed to fit snugly within cavities of the older Norwesco design block vent (not included) Lightweight and easy-to-install or replace seasonally Includes a pair of pre-attached vent plugs Help reduce utility bills

Product Specification
Series Name | N/A |
---|---|
Material | Polystyrene |
Length (Inches) | 13.5 |
Width (Inches) | 8.75 |
Depth (Inches) | 13.5 |

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