Sieve Glenammer 200SBW1.70 200mm diameter, full height, 50mm height, 1.7mm aperture size, stainless steel frame, stainless steel mesh, ISO 3310-1 standard, with lifetime warranty and laser engraved label. Sieves with alternative diameters and apertures are available. If you are unable to find the size of sieve you require, please contact us.