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 Improved contamination control holds particulates during filter change SPECIFICATIONS Efficiency Rating: Standard Efficiency Primary vs Secondary: Primary Seal Type: Axial Seal COMPATIBLE MODELS Engine - Generator Set 3516 3512B 3516C 3516B 3512C G3516B 3512 G3520B PM3512 3508 G3516 PM3516 Petroleum Products 3512C 3516C C32 3512B C27 3516B CX48-P2300 TH48-E80 TH48-E70 Engine - Industrial 3512C 3516C 3512B 3508B 3516B 3516 G3516 3508C 3512E Marine Products 3508B 3516C 3512B 3516B 3516 3512C