Four Filtrol replacement filter bags.  Replacement filters must be hand washed, DO NOT put into washing machine to clean. The Filtrol washing machine lint filter removes non-biodegradable fibers, such as microfibers and microplastics from your washing machine discharge. These fibers are one of the leading causes of septic system and drainfield failure.  It also is an effective tool for reducing sewer line plugging for those who are on city sewer.