2 inch round damper box weld-on assembled side view

The Round Weld-On Air Damper Box is a precision‑built 2″ steel airflow control component engineered for pit builders, smoker fabricators, and anyone upgrading or constructing a custom firebox. Designed for durability, consistency, and smooth operation, this Round Weld-On Air Damper Box delivers reliable airflow regulation that improves burn efficiency, temperature stability, and overall cooking performance.

Built from heavy‑duty raw steel, this damper box is ready for welding, grinding, paint, powder coat, or seasoning. Its universal fit makes it ideal for new smoker builds, rebuilds, firebox upgrades, or replacing worn‑out factory vents. The 2″ round damper plate rotates cleanly within the housing, allowing precise adjustments whether you’re dialing in a low‑and‑slow burn or opening up the firebox for a hotter cook.

Why Choose a Round Weld-On Air Damper Box

This damper box is engineered for real‑world use in demanding outdoor cooking environments. The weld‑on design ensures a permanent, rock‑solid installation that won’t loosen, warp, or fail over time. The round geometry provides predictable airflow control, making it a favorite among pit builders and metal fabricators who want dependable performance and a clean, professional finish.

Whether you’re building a smoker from scratch, upgrading airflow on an existing pit, or fabricating a custom cooker for a customer, this Round Weld-On Air Damper Box provides the durability, precision, and long‑term reliability your project deserves.

Key Features – Round Weld-On Air Damper Box

Universal weld‑on design
2″ round damper plate
Smooth, precise airflow control
Heavy‑duty steel construction
Ideal for smokers, fireboxes, grills, and custom fabrication
Raw steel finish for welding and coating
Compact footprint for easy integration

Specifications

Damper Size: 2 inches (round)
Material: Heavy‑duty steel
Mounting Style: Weld‑on
Finish: Raw steel
Use Case: Smokers, fireboxes, grills, custom fabrication

Built for Fabricators

The compact, round design makes this damper easy to integrate into offset smokers, vertical smokers, fire pits, grills, and custom metal projects. Its smooth operation and durable construction ensure consistent airflow control for years of use.

pit builder part

Round Weld-On Air Damper Box – 2 Inch, Universal Fit, Steel

Built in Wisconsin for serious outdoor cooking.