Vent Plug, Large, 6.6 X 7.75 In.

Discover the sturdy white vent plug, expertly crafted from high-density polystyrene to block unwanted drafts in below-grade areas. Measuring 6.5 inches wide by 7.75 inches tall, this rectangular seal fits standard ventilation openings, delivering a clean, unobtrusive look while keeping cold air at bay.

Why choose this vent seal? By installing this plug, you eliminate chilly gusts that can raise heating costs and create uncomfortable spots in your home. Its insulating composition helps maintain a consistent temperature, protecting your foundation from moisture-driven condensation and improving overall energy efficiency.

• Precision dimensions: 6.5 × 7.75 in. size ensures a perfect fit for common basement and crawl-space vents, reducing installation time.
• Durable polystyrene construction: lightweight yet robust material resists compression and retains shape under pressure.
• Bright white finish: blends seamlessly with most ductwork and interior surfaces, offering a tidy appearance.
• Effective air-draft barrier: blocks cold wind and outdoor air infiltration, supporting energy-saving heating systems.
• Easy DIY installation: simply insert into the vent opening; no tools or adhesives required for a quick, hassle-free setup.

Ready to upgrade your home’s comfort? This large vent plug provides a reliable, low-maintenance solution for sealing unwanted openings in basements and crawl spaces. Its straightforward design delivers maximum insulation performance without compromising on aesthetics. Trust this polystyrene vent cover to keep your living spaces warmer, quieter, and more energy-efficient.