K&N Racing Only Flame Arrestors use an epoxied screen as a filter. They do not have cotton media and are intended for race use only. For non-racing use of your personal watercraft use regular K&N flame arrestors which come with K&N's oiled cotton media sandwiched between screen material. For high performance on the water, K&N Flame Arrestors will help you fly.
K&N Racing Only Flame Arrestors use an epoxied screen as a filter. They do not have cotton media and are intended for race use only.