Metal-Fab Sure-Seal Direct Vent 4" Ceiling Vertical Firestop h9.75 if one or more burn

if one or more burn out

3 g/hr Efficiency 76% Weight 485 lbs

Viewing Area: 31 x 16

Front Width Minimum Firebox Opening: 33"

Metal-Fab Sure-Seal Direct Vent 4" Ceiling Vertical Firestop h9.75 if one or more burnDirect 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 dependability