AIR FILTER RTECH SHERCO SE SEFThe Rtech Air Filter's design, high quality materials and superior construction deliver unbeatable performance and protection Rtech filters are designed to increase airflow while ensuring the highest level of protection from dirt dust. Coarse open pore foam catches airborne dirt, grime and sand. Fine open pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. Exclusively formulated adhesive ensures