Lightweight air-insulated, double-wall metal construction with an inner pipe of reflecting aluminum and an outer pipe of corrosion-resistant galvanized steel for strength, safety and durability. Adjustable from 0 to 45 deg.
Use in offset installation to avoid obstructions such as rafters and joists
Use in offset installation to avoid obstructions such as rafters and joists
Size 3 in through 14 in adjust easily from 0 to 45 deg