All of these trivial topics that get beaten to death are pretty useless except for a good laugh. I think some spend way too much time here and take things way too seriously.If you are comparing passive safety devices that are designed to save lives to air filtration for mechanical devices longevity, well then I can only laugh. The majority of cars I've owned had no HVAC filter and the blower motors lasted the life of the vehicle. My fancy BMW E90 is on it's 3rd blower motor and the system has a charcoal activated cabin airfilter (because the blower motor needs a charcoal filter - lol). Come on man. It's a money grab.
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