304 Stainless Steel Spark Arrestor Disc, 3-9/16" Diameter

• Color: Silver
• Diameter: 3-9/16in.
• Material: Stainless Steel
• Mounting Style: Bolt-On
• Open Area: 40%
• Opening Size: 0.021in.
• Type: Baffle
• Wire Diameter: 0.012in.

This screen is the correct mesh size for USFS spark arrestors. This is a universal screen designed to be compliant with Society of Automotive Engineers (SAE) procedure J355 for MSE's: spark arrestors are required to have all exhaust gasses pass through a screen with no opening larger than 0.023-inch. The screen must be heat and corrosion resistant, and shall provide at least 100 hours of service life.