A coffee press is a great way to enjoy coffee at home. However with each brew—oils, grounds, and residue get trapped inside the filter, which can ruin the flavor of a freshly brewed press. We recommend cleaning it properly after every brew. It's easy. 1. Lefty loosey: remove the filter from the plunger by unscrewing it. 2. Clean: Scrub each part of the filter with soap and water to remove oils & residue. 3. Righty-tighty: Cross plate (bottom), filter screen (between) spiral plate (top).