Astria - 12 Inch Stainless Steel Chimney

The Astria 12-Inch Stainless Steel Chimney is engineered for strength, safety, and long-lasting performance in fireplace systems. Made from durable 430 stainless steel, it resists corrosion and endures high temperatures with reliability. Its smooth, laser-welded interior improves draft, reduces creosote buildup, and ensures efficient combustion. The 1-1/2” ceramic fiber insulation provides superior thermal protection, while the Snap-Lock connection design makes installation quick and secure. UL103HT listed, this chimney delivers trusted performance and durability for high-temperature applications.

• (2) Stainless Steel Chimney Sections (12" each)

• Model: 7SPS12-2

• Length: 12"

• Quantity: 2-Pack

• Inner Diameter: 7"

• Outer Diameter: 10"

• Material: 430 Stainless Steel (Inner Flue & Outer Casing)

• Insulation: 1-1/2” Ceramic Fiber Blanketed

• Connection: Snap-Lock Tab Design

• Weld: Continuous Laser Welded Flue & Casing

• Clearance to Combustibles: 2”

• Certification: UL103HT Listed (2100° Intermittent; 1000° Continuous)

FireLux Living was built for those who expect more from their space. We offer premium indoor and outdoor living products — from grills, saunas, and fire tables to pizza ovens, fireplaces, and more — each chosen for exceptional performance, expert craftsmanship, and long-term value. Every purchase is backed by real customer support, fast shipping, and our commitment to getting it right.