West Coast Saw Chain Saw Air Cleaner Systems (of Stihl Saws) Model:271/261/251/241 The cast ring has a

The cast ring has a generous amount of material for extra wear

5" adjustment

Pencil point hardwood stakes

two large inside pockets

West Coast Saw Chain Saw Air Cleaner Systems (of Stihl Saws) Model:271/261/251/241 The cast ring has aThe Air Cleaner System made from 60 PPI polyurethane foam and TPU flexible 3D printed material. The 60 PPI polyurethane foam captures dirt and foreign particulates better than paper or gauze, thus offering superior filtration for your chainsaw. **Designed for Stihl Chain Saws** FEATURES: Flange is fully bonded during manufacturing to foam, decreasing any chance of separation. More pliable flange material makes filter easier to clean and oil