Selkirk 5" to 6" Insert Smoothwall Kit (Stainless Flexible Liner)

Length: 25-Feet
Diameter: 5-Inch

Estimated Arrival: Between and . (To All Contiguous States)

✔ Same-Day Order Processing
✔ Free Returns
✔ No Restocking Fees
✔ Financing Options Available

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Selkirk  5" to 6" Diameter, Insert Smoothwall Kit

All fuel 316 stainless steel chimney liner.

UL 1777 and ULC-S635 Listed.

Kit includes Chimney Liner, Flashing, Stove Adapter, and Rain Cap.

Integrated hose clamps allow easy assembly, no adapters or fasteners.

Higher BTU capacity.

Smooth inner wall creates superior draft performance.

SFL - Stainless Flexible Liner

Flexible Stainless Steel Liner is a high performance chimney liner. An integrated hose clamp connection on each component allows quick, easy and secure assembly. No adaptors or fasteners required.

4" to 8" Diameter:

  • 316 Stainless steel
  • Complete Kits, Insert Kits & Pellet Kits available
  • Smooth wall liner is an easy to clean option with higher BTU capacity and superior draft performance
  • Insulation-wrap promotes quick heat up, enhances draft and allows zero clearance between liner and masonry chimney 
  • Can be installed on gas, oil or wood appliances
  • Full line of accessory components
  • Smart Choice warranty on all components


  • Listed to UL 1777 (Flexible Stainless Steel Liner installed with Insulation Wrap) in the U.S.A.

Part Number Product Code
Size (Diameter x Length)
195162 5MF25IKS 5"x25'
195163 5MF35IKS 5"x35'
1955164 55MF25IKS 5.5"x25'
1955165 55MK35IKS 5.5"x35'
196166 6MF25IKS 6"x25'
196167 6MF35IKS 6"x35'

CA Residents: 
See Prop 65 WARNING.


Lifetime Limited Warranty

Refer to the Smart Choice Warranty for full warranty details.