This forced air shop heater is constructed from plastic and stainless steel that makes it sturdy and durable. This propane heater generates a whopping 40,000 BTU of heat. It is perfect for heating outdoors. It features an anti-tilt switch to prevent accidents resulting from a tipping over of the heater. This is the perfect way to easily bring the heat where ever you go.This Propane Patio Heater from Heaters requires some assembly before it can be used and is CSA certified.