High Speed with Rx Model: DI/ SFSM Seaming Diameter of Filter: 2" to 5" Motor Power : 3 HP Motors Production: 300 Filter p/hr. Description: Automatic Seaming Machine for 'Spin-On Filters. It Consists of a stand on which the filter housing is placed alongwith the components in the filter. The Stand is then saved with pneumatic pressure to help the filter fit into the cover head. There after the seaming rollers Seam the filter in series making the filter leakproof which then can with stand the pressure of 100 lbs. per square inch.