This ingenious snow guard product adds support and strength to your vent pipes, chimneys or masts while the innovative fin design cuts through ice and snow to assist in shedding the snow and ice from your roof. Installation is quick and easy. VentSaver is made from non-corrosive aluminum, stainless steel and aircraft cable. The 151 series will fit any roof pitch and any standard size vent pipe (1 1/2", 2", 3" and 4"). The VentSaver P-383, VentSaver EZ and VentSaver HD will fit any roof pitch and an infinite array of sizes between 1-14". Eliminates the need for unattractive costly crickets and can be installed on any existing roof as well as new construction.