If you own a workshop, have a vehicle, or have had to clean up after a large leak on your home, you have almost certainly used, if not owned a wet / dry vacuum. If you own a wet / dry vacuum that you have used to suck up particulate debris such as wood shaving, saw dust, ash, or drywal dust, then you know how fast it's pleated filter cartridge clogs up and renders the vacuum unusable. I recently purchased a new wet / dry vacuum from a big box store, and wanted to do something to slow down the filter replacment cycle. This is where a company called FilterPal comes in, and in the video below, I review their new FilterPal HD.