DuraVent FasNSeal 4" x 36" 29-4C Stainless Steel Adjustable Vent Length o4 2 x 184 cm Surround

2 x 184 cm Surround Size 16 7/8 x 76  1/4″

Designed specifically for I33S4028B surround assemblies

Item Number 3DFPRO-25 Series DuraFlex Pro Product Type Length Size (Diameter) 3" Flex Length 25' Warranty

Be sure to not let your logs protrude past the top vent holes for an optimal burn

and Linear T styles

DuraVent FasNSeal 4" x 36" 29-4C Stainless Steel Adjustable Vent Length o4 2 x 184 cm SurroundAll FasNSeal (single wall) vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. This construction feature allows for ease of installation. The air space between the inner and outer wall on FasNSeal W2 helps to reduce the clearance to combustibles in addition to creating a heat shield