Materials of Construction:Body: 316L stainless steel Ferrule: 316L stainless steel Lid: 316L stainless steel Clamp: 304 stainless steel Handles: 304 stainless steel Gasket: Silicone (FDA 177.2600 and USP Class VI compliant)Nominal Volume: 5 LitersMethod of Construction: Welds ground and polishedSurface Finish: Better than 0.5 microns RaDimensions: DIAMETER 196 mm HEIGHT 200 mm WEIGHT 2.8 Kg (body + gasket + lid + clamp)Handles: 2 side handles welded onto patch platesFerrule location 25mm from base to underside of ferruleFerrule: 1” (to standard BS4825-3)