Standard Efficiency Engine Air Filter - Primary It pays to choose genuine Cat Filters to protect the iron that generates your income. 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 G3516 G3516B G3520C G3516E G3516C G3520H C175-16 G3512H G3516H G3520E C280-16 G3512E CG170-16 Petroleum Products C280-12 Marine Products 3612 3616 3608 C280-16 C280-12 C280-8 C280-6 3606 Engine - Industrial G3516C G3612 C280-16 G3616 G3608 G3606 G3516 G3606B G3516E G3512H G3512E