• Walker high efficiency disposable filters are designed with performance as the first priority
• Built with a double seal that will not allow dirt in and a focus on longevity for multiple nights of racing
• Air filter media material is 99.8% efficient, keeping all dirt out and outperforming all other disposable filters on flow tests
• The strength of this media material combined with an inner and outer wire cage will withstand the harsh dirt conditions
• Filter can be blown out after each night to help extend the life of the filter
• This is not your cheap "throw away" filter, this is purposely built to handle many nights of racing depending on your nightly racing conditions
• No oil required, available in 3", 4" and 5" heights
