Wasp and Hornet Aerosol Spectracide Spray kills on contact. It is ideal for eliminating nests. It features a 27' jet spray so you will be able to safely eliminate the nest without getting too close. This Wasp and Hornet spray comes in a convenient 20-oz aerosol spray can. It uses a non-staining formula and works on contact. It is a must have insect spray. Keep a container in your garage, and use it around your home when these pests arise.