The prefilter answer to all that snow that wants to pack downinto the pleats of your snowmobile airfilter. Snowchargersare silicone treated polyester wraps that repel snow and waterMelting snow just beads off instead of soaking the filters.Snowchargers also deflect all the grass, twigs, rocks and dustyou encounter when grass tracky racing or crossing snowlesstrails. Snowchargers offer minimum restriction yet provideoptimum airflow for increased engine power. Snowchargers areeasy to clean and return to service.