A gas detection device (100) includes a gas sensor module, configured to detect a gas, and a filter assembly (106). The gas sensor module includes a gas sensor (102) disposed within a gas sensor housing (104) and circuitry (208) coupled to the gas sensor housing (104). The circuitry (208) is configured to provide an indication of the gas. The filter assembly (106) is configured to couple to the gas sensor housing (104) and protect the gas sensor (102) from particulates.