DuraVent FasNSeal 12" 29-4C Stainless Steel Insulated Wall Pass Through d29 UL Listed to UL 103

UL Listed to UL 103 and ULC S604 standards (MH7399)

Click to see details Refractory Mortar

WD-Series Dimensions

Non-Combustible Color/Finish Black Jack Frame Style Original Edge Trim Shape & Size 32 Standard (ST) Dimensions A32 x B32 x C26½ x D20½ x E8

they will not release any harmful chemicals so they are perfectly safe

DuraVent FasNSeal 12" 29-4C Stainless Steel Insulated Wall Pass Through d29 UL Listed to UL 103All 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