This is a 1.75 oz bottle of Air Filter Oil from Traxxas.

Features

Used to treat foam air filter elements to increase their filtering
capacity, and extend engine life.
1.75 fluid ounce bottle provides oil for many applications, and is
still small enough to fit easily into a field bag or tool box.

Includes

One 1.75 oz bottle of Air Filter Oil
One applicator tip

Requires

Working oil into foam air filter element and squeezing out the excess

Specifications

Fluid Ounce: 1.75 oz (50cc)
Bottle Size-
Height: 3.5" (89mm)
Diameter: 1.5" (38mm)