Patent ID: 9132367
Filing Date: 2015-09-15
Classification: B01D,Y10T

Abstract:
1. A filter cartridge for releasable connection with a filter head; the filter cartridge comprising: (a) a first end cap defining a first open aperture; (b) a key ring within and against the inner radial surface of the neck and circumscribing the first open aperture; (c) at least first and second protrusions extending from the key ring and into the first open aperture; (d) a tubular construction of filter media defining an open filter interior and having first and second opposite ends; the first end being secured to the first end cap; (e) a second end cap secured to the second end of the filter media; wherein when the filter cartridge is connected to the filter head, the first and second protrusions engage a lockout assembly in the filter head permitting the cartridge to connect to the filter head.