Filter Cartridge – This filter cartridge includes (1) pleated paper oversized inlet filter.Use only Becker Genuine Filters to maintain your warranty, increase the longevity and performance of your Becker Rotary Vane Pumps. This filter is engineered specifically for this pump.This filter is also available in the Becker Preventive Maintenance Kit which includes your Becker Vanes and Grease. Keep a kit on the shelf to ensure you have all the components on hand for regularly scheduled maintenance.