Duravent Bird Guard Screen for use with Polypropylene Venting for Gas Appliances. Available for 2", 3", and 4" diameter pipe. Use to protect venting system from birds and rodents. Position inside pipe in place of gasket. Stainless steel.
PolyPro is a polypropylene vent pipe for use with ANSI Category II and IV gas burning appliances, including tankless and storage water heaters, high-efficiency water heaters, condensing boilers and warm air furnaces. PolyPro is listed by Intertek to the ULC S636 standard in Canada and is rated as a Class IIA, IIB and IIC vent system suitable for exhaust temperatures up to 230°F / 110°C, and a maximum positive pressure of 15 in-w.c.
