This is the Large Air Filter for the Traxxas Revo 2.5R and Revo 3.3.
Goes over the Carb and collects dirt and other particles.
FEATURES: Plastic, rubber and foam construction with fine micron screen
Protects your engine from harmful particles
Spring loaded bracket allows easy removal
INCLUDES: One Air Filter
Two Zip Ties
One 4mm Screw and Nut for Installation
SPECS: Length: 45mm (1.77") not including elbow
Diameter: 54mm (2.13")