1/2" compressed air-in-line moisture filter separator with wall mounting bracket. This is a 5-micron filter with a 2.7oz bowl. This is a great quality filter with a poly bowl and an easy-turn drain. The clear bowl on this filter is enclosed with a metal cover for protection. This filter will remove water liquid droplets and debris from your compressed air line to protect and extend the life of your air tools and provide cleaner air when blowing things off.