Block the bugs -- and so much more! This plastic mesh bug screen catches insects of all kinds, as well as unsightly and potentially damaging mold and mildew. Use it on your fans and ducting, as it is suitable for both intake and exhaust purposes. These bug shields feature washable materials, an elasticized opening, and an adjustable drawstring to seal off a perfect fit. Check out our collection of these essential additions to your construction and find the perfect fit to guard your garden.