Filter Plate with Built In Sintered Disk Select Tri Clamp Size:1.5" 3 Gallon Aluminum SIDEMOUNT Xtra LPG Blend 3 Gallon Aluminum SIDEMOUNT POT ONLY The So Low C85 12 features a battery operated alarm system that will emit an audible and visual signal when there is a mechanical or electrical failure These filter plates can be used simultaneously with ashless filter papers or any other filtration media like stainless steel ball bearings or steel wool to increase surface and filtration level to remove fats These filter plates offer the user a great solid platform to help with filtration during the extraction process with a welded in sintered filter disk with hexagon backing