My cat is unaffected, is he deaf or tricky of Listening to? That is quite unlikely. About 5% of cats will not reply to the CatScram. In some cases this transpires because the cat lacks the potential to listen to noises during the frequency variety applied. This is more common https://fish-aquariums11975.webbuzzfeed.com/36889230/the-ultimate-guide-to-cat-repellent