3 inch
- DuraVent PelletVent 3
- DuraVent PelletVent Pro 3
- Metal-Fab Pellet/Biomass 3
- Metal-Fab Premium Biomass 3
- Metal-Fab SuperFlex Chimney Liner 3
- National Chimney M-FLEX 3
- National Chimney Smoothwall 3
- Security Chimneys Secure Pellet 3
- Security Chimneys SPX 3
- Selkirk Direct-Temp Multi-Fuel 3
- Selkirk Ultimate Pellet Pipe 3
- Selkirk VP Pellet Pipe 3
- Selkirk Stainless Flexible Liner 3
