Phoenix Star 4.5  / 5 Inches Glass Diffuser Downstem PHX611 is a diffuser downstem with slits to filter the smoke for smoother hits. This glass downstem has 4.5 inches, and 5 inches two different lengths. And there are four colors black, blue, green and pink four colors available in Phoenix Star. You and your customers can select what you need according to your glass bongs. If the downstem of your bongs is broken by accident, you can buy a suitable phoenix star downstem to replace the broken one. It can help you save costs to allow you enjoy the smoking within your budget.