This product is a set of five 3-inch MERV 13 filters for the GBELLCVR0203BK wind instrument bell cover. These filters are great at filtering air, providing high - quality air purification for your instrument. It's recommended to replace them every 1 - 2 months for best performance. And remember, you should not wash these filters as it may damage them. With exterior dimensions of 3.5 inches in length and width, and a height of 0.02 inches, and a net weight of 0.01, they are a perfect fit for your GBELLCVR0203BK.
Using these filters is easy. Just install them in your GBELLCVR0203BK wind instrument bell cover. To keep your instrument in good condition, replace the filters every 1 - 2 months. This helps ensure that the air flowing through the instrument is clean. Do not try to wash the filters because it can ruin their filtering ability. Store the extra filters in a dry and clean place to keep them in good shape until you need to use them.
