a fluid filter includes a bypass valve and a pleated media surrounded by a thermoplastic frame . a fluid filter , includes a housing having an inlet and an outlet , a media disposed within the housing , a bypass valve disposed within the housing adjacent the media wherein the bypass valve includes a valve frame , a valve lid that couples to the valve frame , a valve pan that couples to the frame , and a seal door disposed between the valve lid and the valve frame . a method of filtering fluid , includes providing a bypass valve wherein the bypass valve includes a bypass valve seal door , raising the bypass valve seal door along a guide disposed on the bypass valve , passing fluid through the raised bypass valve seal door , lowering the bypass valve seal door along the guide disposed on the bypass valve and ceasing passing fluid through the bypass valve .