DuraVent FasNSeal 4" x 5" 29-4C Stainless Steel Stepped Increaser protective-covers Model 18SNHT0A0 Product Size 18"

Model 18SNHT0A0 Product Size 18" Material Stainless Steel Fuel Type Natural Gas BTU 70

Assembled Dimensions:  44"L x 44"W x 24"H

Model  Spool Size Line Size PFCT 12225

If you are looking for an electric heater like this

The square wood-burning fire pit with a simple style can match any outdoor living space decoration

DuraVent FasNSeal 4" x 5" 29-4C Stainless Steel Stepped Increaser protective-covers Model 18SNHT0A0 Product Size 18"All 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