The TR-6800FC is a filter cover for use with the TR- 6820N filter. 3M recommends the use of the filter cover in order to help physically protect the TR-6820N from damage. It is also used to hold the TR-6600 Prefilter or TR-662 Spark Arrestor in place.
The TR-6800FC is a filter cover for use with the TR-6820N filter. 3M recommends the use of the filter cover in order to help physically protect the TR-6820N from damage. It is also used to hold the TR-6600 Prefilter or TR-662 Spark Arrestor in place. The TR-6800FC should be replaced when worn or damaged. The filter cover may be cleaned and reused.