The MTD 964-04141B Lawn Mower Grassbag Assembly 21" helps collect grass clippings from compatible lawn mower decks during mowing. Designed as a replacement grass bag assembly, it attaches to the mower’s collection system and provides space for gathering cut grass as it is discharged from the deck. A properly fitted grass bag can support convenient clipping collection and help keep the... https://www.wholetoolbox.com/mtd-964-04141b-lawn-mower-grassbag-assembly-21/964-04141B.html