Get this 5-pack of 15-inch MERV 13 filters designed for the GBELLCVR1415BK. These replacement filters are perfect for your wind instrument bell cover. They're high-quality and recommended to be replaced every 1 - 2 months for best results. Remember, don't wash the filter. With an exterior length and width of 15.5 inches and a height of 0.02 inches, and a net weight of 0.03, they're a great fit.
Using these filters is easy. Just replace the old filter in your GBELLCVR1415BK wind instrument bell cover with a new one from the pack. For the best performance, replace the filter every 1 - 2 months. Don't try to wash the filter as it won't work properly after that. Keep them in a dry place when not in use to maintain their quality.
