For pellet vent quality, this is as good as it gets! This ground floor flue kit has a laser-welded stainless steel inner pipe and a galvanized outer pipe. The air gap created makes this flue one of the safest, allowing you to keep a 25mm clearance between combustible walls. All joints are pre-gasketed and require no silicone or tape to insure a leak-free system. The kit includes one stove adapter (fits a standard 76mm collar), one tee, one 30cm section, one 45cm section, one 91cm section, one 23cm adjustable section, one 90-degree elbow, one wall pass-thru, one cap, and two wall bands.