Standard Efficiency Engine Air Filter - Primary Contamination is your engine’s number one enemy, which is why it’s critical to protect your Cat equipment with genuine Cat Filter Elements. Cat Standard Efficiency Primary Engine Air Filters are your best value for normal duty applications, delivering increased engine protection and preventing equipment downtime. Offering a long service life and exceptional filtration, Cat Air Filters are also environmentally friendly and cost effective. Designed to the exact specifications of your Cat equipment, genuine Cat Filters are a crucial factor in your machine’s ability to use air efficiently. A clean filter element protects internal mechanisms from being damaged by dirt. Consistently choosing Cat Air Filters is the best choice to ensure long life and optimum performance of your Cat machinery. Attributes: Quick serviceability Increased debris holding capability Improved contamination control holds particulates during filter change SPECIFICATIONS Efficiency Rating: Standard Efficiency Primary vs Secondary: Primary Seal Type: Radial Seal COMPATIBLE MODELS Wheel-Type Loader 904B 902 904H 906 Paving Compactor CB-36B CB-34B XW CB-34B CC-34B Skid Steer Loader 262 232 228 267 257 226 216 247 248 236 242 246 277 252 Mini Hydraulic Excavator 305C CR 305.5 308E SR 306E2 303.5E 308D 304E 305E 308E 307E2 308E CR 307B 308E2 307E 305.5E2 305.5E 308C 307D 307C 306E 305.5D 306