For Defrosters, air ducts , air intakes, under-hood applications and other low pressure, low suction applications. Approved for maritime applications. This product is made of flexible, heat- resistant materials and is helical steel reinforced. It is easily cut and formed to the desired shape and length. It is tear, abrasion, and ozone resistant and complies with DOT FMVSS 302. It has a temperature range of -40 degrees F to +200 degrees F (-40 degrees C to +93 degrees C)