Special Honeycomb Design Tile for Increased Radiant Output. Inputs from 30,000 to 160,000 Btu/hr. Suitable for Angle Mount up to 35°. All Heaters are Equipped with 100% Gas Shut-Off Safety Control. Corrosion-Resistant, Aluminized Steel Body Construction. Highly Efficient Aluminum Reflectors. Optional Reverberatory Screen. Heaters can be Shipped by UPS. Ideal for Loose Construction and Leaky Building.