The International Cessna^® 170 Association

I saw this earlier this week on a local 180. The bottom of the container is cut open and the oil breather line just sticks down into the body and a few chore girl pads are stuffed in to reduce airflow a bit. The value is opened periodically to drain whatever accumulates and it works very well. Its also a ton cheaper than the ones sold by Aircraft Spruce.

I didn't get to see the log entry for this but think the fine print on the bottom reads " Patent pending by BL Industries" but I could be wrong.

I've NEVER tried to patent anything that complicated and high tech.