I’m on my third can of Gourmet Duck Fat Spray. Each can has stopped up. It’s an easy fix and the FAQ advises what to do. The straw stem and spray cap stop up with the spray. A couple seconds of hot water clears the stem and the cap I am GTG. Prices vary significantly on this product 8-15$+-
https://duckfatspray.com/faqs/
https://duckfatspray.com/faqs/