Technical Specification Item Motorized Laboratory Sifter Sieve Diameter 8 or 12 Number of Full Size Sieves 16 Timer Range 99 Minutes Timer Type Digital HP 1/3 Power Required 115 VAC 50/60 Hz Manufacturers Warranty Length 6 Months This listing is for each. Timer Type : Digital Sieve Diameter : 8 in, 12 in HP : 1/3 hp Item : Motorized Laboratory Sifter Timer Range : 99 min Number of Full Size Sieves : 16 Manufacturers Warranty Length : 6 mo Power Required : 115 V AC 50/60 Hz Country of Origin (subject to change) : United States