The Air Filter Housing Cover is used to fit securely over the air filter housing that encloses and supports the air filter. The cover fully encloses the air filter and features vent holes to direct the airflow through the filter media that promote even distribution of air across the filter surface, maximizing filtration. Attributes:• Features a slot hole of diameter 9.5mm to mount the knob • Manufactured to precise specifications and built for durability and reliability Applications:The Air Filter Housing Cove acts as a protective enclosure and helps to safeguard the air filter fitted inside the housing from direct contact with external contaminants and prevents any damage.