With this gauge, the oil level is easy to read from any angle. The outer dome is clear, resilient plastic. The white plastic inner dome makes the oil level stand out in dim light.
CW-40 Observa-Dome Gauge
CW-20 Flange Mounted with Reflector
This gauge is the same as CW-10 with the addition of a white reflector to show the oil level more clearly.
CW-10 Flange Mounted with Open Back
This window permits observation of internal parts or allows a quick check on the level or condition of oil. The CW-20 is identical with the addition of a reflector.