The Rotary Sieve has a tapered, plastic body which fits firmly on any round container. Handle extension allows it to rest on extra large containers. Push-in screens with moulded rubber rims are interchangeable. Additional stainless steel screen sizes are available. Sieve comes with an 80 mesh screen. Wet or dry materials can be sieved quickly. For example, dry ash can be put through a screen as fine as 100 mesh. Diameter across top – 41 cm (16 1/4″).Diameter across bottom – 22 cm (8 1/2″). Depth – 15 cm (6″)