Rear seat covers for hairy dog

Hey everyone,

New Prius owner here. Anyone with a very hairy dog and a Prius v? From what I understand, keeping the rear air intake clean is very important. I have a husky, haha. Would the rear seat covers that extend to the back headrests of the front seats be the best? The sort of envelope style? Any tips from other dog owners about dog (or human) accessories would be greatly appreciated!