*200* Microfiber Dust Covers & Contec Professional Industrial Flexible Duster Handle1 Industrial Contec Professional High Duster With Adjustable Handle Head (4" x 14. 75") and 200 Disposable Microfiber Cleaning Cloth Covers Contec Microfiber High Duster XF Cover. Broad chemical compatibility for damp dusting. Ideal For Cleaning Hvac Ducts And Vents, Between Walls And Heavy Equipment, And In Other Difficult To Reach Areas Reduces cross contamination risk with a new cover for each use Contains microfiber; clinically superior to