How much does this cost to the nearest dollar?

DuraVent 6, Galvanized
DuraTech Class-A Chimney System 6 Elbow Kit - Use elbows to offset around obstructions such as rafters, ridgepoles, or joists. Offsets greater than are not allowed. Each elbow swivels a full The DuraTech Class-A Chimney System 6 Elbow Kit features a galvalume outer casting with stainless steel inner wall and a twist-lock connection.Kit - Galvalume Adjustable - Elbow StrapDuraTech is a double-wall, all-fuel chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built. This product

Price is $543.00
Price: $543.29