DuraVent FasNSeal 5" 29-4C Stainless Steel Wall Thimble Sleeve Extension o54 This flex vent kit is

This flex vent kit is required for HMFA forced air kit

This heater features 4 of our metal wrapped quartz infrared elements

Brand DuraVent Series FasNSeal Model FSTP12

13” 13” Burning Area: 48” x 10” x 2”

bags of ¾” lava rock

DuraVent FasNSeal 5" 29-4C Stainless Steel Wall Thimble Sleeve Extension o54 This flex vent kit isAll 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