Homeowners, this Great Stuff Pestblock foam is seriously smart for keeping critters out of your house! The 2-pack of 12oz cans gives you plenty to seal up multiple entry points where pests sneak in. The smart dispenser is reusable for up to 30 days - no more wasting half-used cans because the nozzle clogged. It provides much better control than traditional foam guns with no-drip application and less mess overall. The foam expands to fill gaps up to 1 inch wide, creating both a physical barrier and a pest-repelling chemical barrier that reduces how often you need to reapply pesticides. The light gray color blends nicely with most building materials. What's really effective is how it blocks entry points for mice, rats, insects, and other pests by eliminating their access routes into your home. Easy to use - just shake the can, attach the smart dispenser, and apply into cracks around foundations, pipes, vents, or anywhere you suspect pests are getting in. The foam expands to fill irregular shapes completely, then hardens into a permanent seal. Not only does it keep pests out, but it also provides insulation value by sealing air leaks. Seriously, if you're tired of dealing with unwanted visitors in your home, this Pestblock foam offers a professional-grade solution that's actually easy for DIYers to apply effectively. Your home will be more comfortable and pest-free!