| mmaddox - 6/1/2023 07:25 Who cares, it is something that should never be used. Too much risk of damaging filters. Install a restriction gauge, and replace when indicated. Lots of research on cleaning filters and the damage caused.
Replace the outer air filter every time the restriction light comes on? Yeah that's not going to happen.
The outer air filter can be cleaned many many times. NEVER clean the inner filter. If the Inner filter is dirty, you need to replace BOTH the inner and the outer filter immediately.
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