Spectracide Carpenter Bee and Ground Nesting Yellow Jacket Foaming Aerosol, 16-Ounce Foam spray comes in 16 oz. aerosol can Kills carpenter bees and ground-nesting yellow jackets on contact Foam spray expands, so it can cover even the most difficult-to-reach places Comes with an extension tube to provide extra help reaching difficult places, allowing you to reach where insects live Kills for up to three months and contains .025% prallethin