Metal-Fab Sure-Seal Direct Vent 4" SD to MF Adapter Fitting w74 13” D Rough Opening Dimensions

13” D Rough Opening Dimensions 58

4" x 120" Insulated Flex Pipe for Fresh Air Intake Kit

Includes 4071-004 storm collar

Can be installed flush with floor or on a raised hearth

Dark Grey (SYM-88-SURR-GREY)

Metal-Fab Sure-Seal Direct Vent 4" SD to MF Adapter Fitting w74 13” D Rough Opening DimensionsDirect 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