?What Will You Get?: 6 x Black Plastic Case Fan Filter. Dimensions: 85 x 85 x 10mm/3.3 x 3.3 x 0.4" (L x W x H). Hole to hole center distance: 72mm/2.8". .Easy to install and easy to clean. ?Unique Design?: The Fan Filter Grill adopts a three-in-one dust filter design, with an ABS shaped outer frame, which is strong and durable, and has good heat dissipation; the middle uses a nylon fiber filter, which has uniform density and is waterproof and heat-resistant; the back is a filter Fixed frame, sturdy and durable, not easy to break, ventilation and heat dissipation, better protection of the filter. ?High-Quality Materials?: The filter fan case dust filter is made of high-quality ABS resin material for the outer frame, which is fireproof, corrosion-resistant, heat-resistant, and easy to clean; the filter screen is made of nylon fiber synthetic resin, waterproof and durable, and easy to clean. The vacuuming rate is as high as 89%. ?Wide Range Of Uses?: These PC Fan Dust Filters are suitable for dustproofing of speakers of various electronic and electrical products such as home computer host fans or speakers, and speaker grilles. ?Worry -Free After -Sales?: If you have any questions about our products, please feel free to contact us. We will definitely give you a satisfactory solution. Happy shopping!