Product Description Brand CET Type Drum cleaning blade Duty Cycle up to (Yield) 100,000-140,000 Pages Compatible Toshiba e-studio 350.  Toshiba e-studio 352. Toshiba e-studio 353. Toshiba e-studio 450. Toshiba e-studio 452. Toshiba e-studio 453. Quality 100% Satisfaction Guaranteed Made in China Warranty No warranty