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: Radial Seal COMPATIBLE MODELS Engine - Generator Set 3516C 3516B 3516E PM3516 XQC1600 3512B G3516B PMG3516 XQC1200 3512C G3520B Petroleum Products 3512C 3516C TH48-E80 TH48-E70 CX48-P2300 Engine - Industrial 3512B PR20B 3516B 3516E SPF343C 3512E 3512C Marine Products 3516B 3512C 3516C 3516E 3512E 3512B