K&N, dry charger / rain sock

Optional rain sock/pre-filter, for adverse weather conditions. Similar to the K&N pre-chargers. Silicone treated, polyester filter wrap. contain uniform micron sized openings that allow high air flow. Yet, due to the Drychargers silicone treated polyester wrap, the amount of water that reaches the air filter or flame arrestor is limited. - Wraps your air filter with an additional pre-filter - Extends service interval of your K&N filter - Durable silicone treated polyester material with stitched elastic openings - Water repellent treatment typically lasts 1 to 2 years - Base inside diameter: 6.25" (159mm) - Top inside diameter: 5.50" (140mm) - Height: 2.125" (54mm)

Fits: > 909608/909609/576613 air filter element; Also fits SE 29244-08/29400019 and 29773-02C air filter elements.