Premium Smooth Wall Chimney Liner Coupler Size:4 in. The Osburn Horizon features a

The Osburn Horizon features a firebox volume of 4

The tapered stove body allows it to easily fit in most fireplaces

Available in a variety of sizes

Measuring for Your Osburn 3500

Included: 26" x 42" faceplate

Premium Smooth Wall Chimney Liner Coupler Size:4 in. The Osburn Horizon features aUse the Premium Smooth Wall Chimney Liner Coupler when you need to couple two sections of the liner together. The female end will go over the top section of flex liner and the male end will go into the bottom section of flex liner. Use short screws or rivets to hold it in place along with Mill Pac high temperature sealant. Stainless steel. Note: This component is only for our Premium Smooth Wall liner which as a slightly smaller outside diameter than