DuraVent FasNSeal W2 14" x 24" 316L Stainless Steel Double Wall Vent Length w3.75 S-1505 Width 54 in

S-1505 Width 54 in

most small to medium size heaters will suit your needs

Chaser 38 Winter Bag

Besides it can start quickly and has excellent heating performance

DuraVent FasNSeal W2 14" x 24" 316L Stainless Steel Double Wall Vent Length w3.75 S-1505 Width 54 inFasNSeal W2 (double 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