AlorAir MERV-8 Filter for Commercial Dehumidifiers Storm LGR Extreme, Only Applicable to Storm LGR Extreme Dehumidifier(Pack of 4). Compatible with: Storm LGR Extreme Dehumidifier MERV-8 filter captures the majority of "larger" airborne particles after the air blew into the machine. It can protect inner component from the congestion of impurities from the air taking in from outsi... - AlorAir MERV-8 Filter for Commercial Dehumidifiers Storm LGR Extreme, Only Applicable to Storm LGR Extreme Dehumidifier(Pack of 4).