I'm guessing that the dust is accumulating in the 22hrs a day you don't have your system on. I've had my dear mother sew me covers made of thick, high quality and breathable cotton in a color that matches the rack.
Obviously the drawback is that you need to wait for the gear to cool down before placing it on. Just a thought - and it's cheap.
Obviously the drawback is that you need to wait for the gear to cool down before placing it on. Just a thought - and it's cheap.