Standard Efficiency Cabin Air Filters are designed to keep out dirt, soot, sand and other contaminants, while also reducing outside odors entering the cab under normal operating conditions. Cat Cabin Air Filters are designed with advanced filtration technology that reduces airborne irritants, creating a cleaner and more comfortable working environment for the operator. SPECIFICATIONS Efficiency Rating: Standard Efficiency Primary vs Secondary: Secondary Seal Type: Radial Seal COMPATIBLE MODELS Skid Steer Loader 246B 257B3 252B3 248B 247B3 259B3 242B 232B 226B 226B3 216B3 257B 267B 252B 236B 216B 287B 262B 268B 277B 247B 236B3 242B3