4″ Vacu-Stack Marine Grade T316 Chimney Cap

This cap also functions as a conventional chimney cap by protecting the chimney from rain, snow, debris, and animals. Designed specifically for oceanic environments, designed to protect against rust and erosion that other caps crumble to. Made of 316 stainless steel. Made to fit round chimney liner and Class A solid pack chimneys. This Model works with the following types of chimneys: Single Wall Chimney Liner, Solid Pack Class A Chimney, B Vent, and Round Terra Cotta Flues