This 30" Range Hood Replacement Charcoal Filter helps keep your range hood operating at peak performance. Charcoal filters are used to capture and eliminate particles and odors generated while cooking. This is a universal accessory that can be used across several brands; check to see if your model number is compatible. Size: 8-3/4-in W x 10-1/2-in L x 3/8-in D. Replacing this accessory will not require tools, disassembly of the microwave or repair experience.