This product is a set of five 21-inch MERV 13 filters designed for the GBELLCVR2021BK wind instrument bell cover. These filters are great at capturing particles and keeping your instrument in good condition. For best results, replace the filters every 1 - 2 months. Remember, do not wash the filters. The exterior length and width are both 21 inches, the height is 0.02 inches, and the net weight is 0.05.
Using these Gator filters is easy. Just install them in your GBELLCVR2021BK wind instrument bell cover. To keep your instrument working well, replace the filters every 1 - 2 months. Don't try to wash the filters as it can damage them. When you're ready to replace them, just take out the old ones and put in the new ones. That's all you need to do to keep your instrument in top shape.
