The prefilter answer to all that snow that wants to pack down into the pleats of your snowmobile air filter. Snowchargers are silicone treated polyester wraps that repel snow and water. Melting snow just breads off instead of soaking the filters, Snowchargers also deflect all the grass, twigs, rocks and dust you encounter when grass tracks racing or crossing snowless trails. Snowchargers offer minimum restrictio yet optimum airflow increased engine power. Snowchargers are easy to clean and return to service. Known as ‘‘snowcharger’’ air filter. These will provide you with unrestricted airflow which will give you more power. Not recommended for deep snow conditions.