This 5-pack of 17" MERV 13 Filters are replacement filters for instrument bell covers. Designed to fit 17" bells for added protection, these filters help keep your instrument clean and safe. Filters should be replaced every 1-2 months.
- Pack of five GBELLCVR1617FILTER MERV 13 replacement filters for wind instrument bell covers
- For best practices, replace after 1-2 months
- Do not wash filter