To close openings in chimney pipes, stove pipes and holes, also suitable for drain pipes, to prevent odors and protect against rats, prevents drafts in the house. The chimney cover is made of high-strength stainless steel, strong, durable and corrosion-resistant. Thanks to the stainless steel, the chimney cover can withstand all weather conditions such as rain, snow and sun! Stove pipe cover top diameter: 216 mm / 8.5 inches, bottom diameter: 175 mm / 6.88 inches, height: 54 mm / 2.12 inches; suitable for 180 mm pipes. Flat cap design: inserted flush with the pipe, the mounting crown is spot welded to the cap, which is compressed, it can be inserted into a hole and then released, it tightens firmly against the inner walls of the hole, forming a tight seal inside the pipe. The chimney hole cover fits chimney pipes, stove pipes, chimneys, inlet and exhaust pipes, as well as all openings up to Ø 180 mm. Suitable for ventilation, vacuum, heating, air conditioning or production process systems.