BS72184 BOSCH PREMIUM OIL FILTER -- Constructed using Bosch's exclusive FILTECH media technology that offers 42 percent larger filtering area than conventional filters; Features stronger steel baseplate and housing, silicone anti-drain back valve, high lubricity design, and double-locked rolled seam; Screens out more harmful contaminants for greater engine protection; Prevents warpage, leaks, and poor fit; Ensures a supply of clean oil when you start your car; Provides a tight seal, yet an easy removal; Forms a leak free canister. 028851721844