1st, thanks for your service. Now u can let your hair grow long (if u still have any)!
Not mentioned - environmental consideration - opposing doors should be placed to maximize natural air flow. Nothing worse than stagnant shop air. With multiple entries, how many maneuvers it will take to get...
Like oil conversations, filling filters prior to install is highly contentious. I have alway filled my filters prior to install. For one installed horizontally, stand upright, fill till full, let sit for a minute or so allowing the filter media to absorb fluid. Once absorbed, you can cleanly...