As we know, the distribution fan blades love to get caked with dust, hair, etc, but it's generally a pain to clean. I'm thinking something could be designed to make this fan cleaning chore MUCH easier. Perhaps some sort of a high flow, non-combustible filter could be designed and attached magnetically. Every so often, just reach behind there, pull the filter off and rinse, vac, schticky, etc all the crud off of it, and pop it back on. Done! This seems like an incredibly brilliant idea but I've yet to hear of such a thing,.....which leads me to believe I'm overlooking obvious reasons why it doesn't exist. Thoughts?