120mm Aluminum Alloy Stainless Mesh Fan Filter Dust Guard (Black) Description: aluminum filter with stainless mesh for 12cm PC Case Fan. olded Design - Provides larger surface area for dust blocking. r Metal Wires - Allows more air flow to pass through. um Filter - Super durable and easy cleaning. ust - Stainless Mesh to prevent rusting. >Specification: Color: Blackal: Aluminium AlloyApprox 120mm*120mm*2mm>Package Includes: 1X Dustproof Aluminum Stainless Mesh Fan Filter.