Metal-Fab Sure-Seal Direct Vent 5" x 420" Aluminum Flex Chimney Economy Liner Kit replacement-bulb Heat shield box

Heat shield box

It provides a clean look to finish off your exterior vent

Sleek design with easy appliance control

flue & exhaust gases

Sideline Electric Fireplace

Metal-Fab Sure-Seal Direct Vent 5" x 420" Aluminum Flex Chimney Economy Liner Kit replacement-bulb Heat shield boxDirect vent systems are balanced pressure systems acquiring intake air from outside the dwelling while exhausting combustion gases through the sealed flue. UL 2112 tested and listed, Metal Fab Direct Vent products are designed for safety, strength, and reliability, generating a product that lasts a lifetime. Precision design and construction of the 430 stainless steel flue eliminate the need for gaskets and reduce leaks, enhancing product