aFe builds a wide range of universal clamp-on filters, designed to provide performance and protection. Most sizes come in our choice of 3 progressive medias designed to meet you specific needs. Pro-GUARD 7 air filter is for maximum protection. It is constructed using 5 layers of progressively finer medical grade cotton gauze, combined with 2 layers of non woven synthetic polyester fabric with random porosity. The result is high performance airflow with the filtration efficiency of a heavy duty filter. For diesel vehicle owners who demand ultimate protection. The best engine protection money can buy. The only 7 layer progressive cotton/synthetic media in the world. No other performance filter media can match the engine protection of aFe's Pro-GUARD 7.

Manufacturer's Part Number	72-90020
CARB Approved	Yes