Replace metal-type troughs with the polypropylene pneumatic trough.

• Lightweight and rustproof
• Gas tubing passes through a loop to prevent liquid from flowing into gas line
• Liquid inlet and outlet connections accept ¼" int.Ø × ³/₈" Ø (6,4×9,5 mm) tubing

This trough features tapered sides for nesting and a built-in gas inlet. There are no sharp corners or separate parts to lose. The built-in platform accommodates four 250 ml bottles.