This Dankstop ashcatcher is a well developed ash catcher that will add extra filtration to you pipe without adding any drag. You may think that this is too heavy for your bong, but it is actually very light weight and should not cause any tipping.
This ashcatcher is available in just about every style you can think of. You have the options of either a 14mm or an 18mm male or female joint. It also gives you the option of a 45° or 90° joint angle. Last but not least there are three colors to choose from: blue, green, or clear.