Spin-On Filters STAUFF manufactures a wide range of high and low pressure spin-on filters and filter elements. A variety of filter heads, elements and indicator options are available. Both North American as well as European spin-on filter elements are available. •Operating pressure: to 14 bar (200 PSI) •Nominal flow rate: to 460 l/min (120 US GPM) •Connections: BSP thread •Materials: filter head in aluminium •on request with visual clogging indicator or electrical clogging switch