Intruder fatally stabbed by Washington CrossFit trainer identified - NY Daily NewsBear spray is good but WASP spray is better.(IMO) They will be blinded until they get there eyes washed out. And the can is large and shoots a solid stream about 15 feet. There is no law about discharge of Wasp spray like there is for Bear and Pepper spray.
Wasp spray in reality doesn't have the effect that urban legend attributes to it. As humans are not wasps it just doesn't do what people think it does. If you're going to use a chemical irritant use one designed for a mammal like Pepper spray.