Arlen Ness Monster Sucker Pre-Filter Rain Sock You never know when mother nature will strike as rain is always a factor to keep in mind for riders. Prepare and plan for those occasions when and if you may get caught in the rain. Arlen Ness offers a durable rain sock for their Monster Sucker intakes that will prevent water from getting to your filter. Each pre-filter has been constructed to add an additional layer of protection not only from water but the dirt and crud without impacting airflow. Features: Made from 100 monofilament polyester with a water repellent finish Ease of install and within seconds by wrapping around your filter Adds another level of protection Hydrophobic technology blocks water in the rainy conditions Protects filter from dirt and other debris that could damage or clog the filter