Stainless Steel Flex Chimney Liner Kits

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Stainless Steel Flex Chimney Liner Kits    

These high performance, flexible stainless steel chimney liners are designed use in masonry chimneys and are ideal for fireplace inserts and other oil, gas, coal, or wood burning appliances. A chimney liner is a thoughtful and impactful addition that improves efficiency and safety for your home and your family. Our stainless steel flex liner kits are built to last here in the USA and include the necessary adaptors and fittings for convenience and easy installation. The durable, yet flexible, steel construction makes this a great choice for your chimney lining needs.

Be sure to consult your appliance manufacturer's guidelines on proper venting and be aware of your local building and fire safety codes. The inside diameter of the liner should match the outlet size on your heating appliance.

3 inch M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships in 2-3 Business Days     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
4" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships Within 2-3 Business Days
BrandNational Chimney Material316 Stainless Steel
5" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
5.5" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
3 Inch Diameter DuraFlex 304 Stainless Steel Chimney Liner With Appliance Connector
Free shipping
Save 12%
Fuel Type:  Gas | Pellet | Oil | Wood Material: 304 Stainless Steel Thickness:  .005 Inches Inside Diameter:  3 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL Listed to UL 1777(MH45609) and ULC S635 (43-P-02-2) Included:  Top Kit ( Rain Cap and a 15-5/8" x 15-5/8" Top Plate ) | Stove Adapter | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Clearances:  0” Clearance For Gas, Oil, Pellet | 1” Clearance To Masonry For Woodburning Applications. Insulation Is Required For 0” Clearance To Masonry For Woodburning. Warranty: Transferable Lifetime Warranty         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandDuraVent Material304 stainless steel
6" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships Within 2-3 Business Days
BrandNational Chimney Material316 Stainless Steel
5" M-Flex 316 Stainless Steel Standard Liner Kit With Tee
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Inside Diameter: 5 Inch Construction: Single Wall Length: 15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Tee And Cap | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Warranty:  Lifetime Warranty         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
4 Inch Diameter DuraFlex 304 Stainless Steel Chimney Liner With Appliance Connector
Free shipping
Save 10%
Fuel Type:  Gas | Pellet | Oil | Wood Material: 304 Stainless Steel Thickness:  .005 Inches Inside Diameter:  4 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL Listed to UL 1777(MH45609) and ULC S635 (43-P-02-2) Included:  Top Kit ( Rain Cap and a 15-5/8" x 15-5/8" Top Plate ) | Stove Adapter | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Clearances:  0” Clearance For Gas, Oil, Pellet | 1” Clearance To Masonry For Woodburning Applications. Insulation Is Required For 0” Clearance To Masonry For Woodburning. Warranty: Transferable Lifetime Warranty         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandDuraVent Material304 stainless steel
7" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
6" M-Flex 316 Stainless Steel Standard Liner Kit With Tee
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Inside Diameter: 6 Inch Construction: Single Wall Length: 15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Tee And Cap | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Warranty:  Lifetime Warranty         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
6" Diameter Best Flex 304 Stainless Steel Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandBest Flex Material304 stainless steel
8" M-Flex 316 Stainless Steel Basic Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner          Free Shipping   | Ships in 2-3 Business Days
BrandNational Chimney Material316 Stainless Steel
6" Diameter Best Flex 316 Stainless Steel Liner Kit
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Stove Adapter | Liner         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandBest Flex Material316 Stainless Steel
7" M-Flex 316 Stainless Steel Standard Liner Kit With Tee
Free shipping
Stainless Steel Thickness:  .006 Inches Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Inside Diameter: 7 Inch Construction: Single Wall Length: 15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Tee And Cap | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Warranty:  Lifetime Warranty         Free Shipping   | Ships in 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
6 Inch Diameter DuraFlex 304 Stainless Steel Chimney Liner With Appliance Connector
Free shipping
Save 10%
Fuel Type:  Gas | Pellet | Oil | Wood Material: 304 Stainless Steel Thickness:  .005 Inches Inside Diameter:  6 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL Listed to UL 1777(MH45609) and ULC S635 (43-P-02-2) Included:  Top Kit ( Rain Cap and a 15-5/8" x 15-5/8" Top Plate ) | Stove Adapter | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Clearances:  0” Clearance For Gas, Oil, Pellet | 1” Clearance To Masonry For Woodburning Applications. Insulation Is Required For 0” Clearance To Masonry For Woodburning. Warranty: Transferable Lifetime Warranty         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandDuraVent Material304 stainless steel
8" M-Flex 316 Stainless Steel Standard Liner Kit With Tee
Free shipping
Accepts Fuel Type:  All Material: 316 Stainless Steel Thickness:  .006 Inches Inside Diameter: 8 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL 1777 Listed and Tested | Chimney Safety Institute of America Accepted Product Included:  Top Kit ( Rain Cap and a 13" x 13" Top Plate ) | Tee And Cap Adapter | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Warranty:  Lifetime Warranty         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandNational Chimney Material316 Stainless Steel
6 Inch Diameter DuraFlex 304 Stainless Steel Chimney Liner With Tee And Cap
Free shipping
Save 10%
Fuel Type:  Gas | Pellet | Oil | Wood Material: 304 Stainless Steel Thickness:  .005 Inches Inside Diameter:  6 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL Listed to UL 1777(MH45609) and ULC S635 (43-P-02-2) Included:  Top Kit ( Rain Cap and a 15-5/8" x 15-5/8" Top Plate ) | Tee & Cap | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Clearances:  0” Clearance For Gas, Oil, Pellet | 1” Clearance To Masonry For Woodburning Applications. Insulation Is Required For 0” Clearance To Masonry For Woodburning. Warranty: Transferable Lifetime Warranty         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandDuraVent Material304 stainless steel
8 Inch Diameter DuraFlex 304 Stainless Steel Chimney Liner With Appliance Connector
Free shipping
Save 10%
Fuel Type:  Gas | Pellet | Oil | Wood Material: 304 Stainless Steel Thickness:  .005 Inches Inside Diameter:  8 Inch Construction: Single Wall Length:  15 ft | 20 ft | 25 ft | 30 ft | 35 ft Certifications:  UL Listed to UL 1777(MH45609) and ULC S635 (43-P-02-2) Included:  Top Kit ( Rain Cap and a 15-5/8" x 15-5/8" Top Plate ) | Stove Adapter | Liner All Fuel Tested:  Gas | Pellet | Coal | Oil | Wood Clearances:  0” Clearance For Gas, Oil, Pellet | 1” Clearance To Masonry For Woodburning Applications. Insulation Is Required For 0” Clearance To Masonry For Woodburning. Warranty: Transferable Lifetime Warranty         Free Shipping   | Ships Within 1 Week     | Why Buy From Us?
BrandDuraVent Material304 stainless steel
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