Peterson Screw-In Breathers are made to screw directly into the breather bung on Peterson Dry Sump Tanks. They can also be used on engine valve covers as a fill plug or breather. 

• -12AN Aluminum Base Bung
• 1-3/8" Tube
• 3" OD x 2.50" Tall Filter
• Stands 6" tall with Base Bung