Midnight Glass Dry Ash Catcher. This simple, clear dry ash catcher is the perfect minimal ash catcher to add to your bong to help keep it cleaner. With no percs and a small lightweight design, you can easily use this on small bongs or large bongs. Add a small layer of water to the bottom and all the ash that pulls through will stick, Keeping your bong cleaner! 14mm Ash Catcher 45 and 90 degree options available Dry ash catcher Midnight Glass logo on bottom Click here to find this Midnight Glass Dry Ash Catcher in 18mm