Get rid of that distracting and harmful dust from your expensive PC equipment. Safely and efficiently cleans those hard-to-reach interiors of PCs and electronic equipment. The reusable all-metal precision trigger-valve assembly allows for an accurate and controlled cleaning process. Plus, with the three-foot flexible extension hose, reaching around the computer is a hassle-free process. Capacity (Volume): 10 oz; Packing Type: Can; Refillable: Yes.