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Nalgene* Blue Polypropylene Pneumatic Trough
This handy polypropylene trough makes the metal type obsolete. Lightweight, corrosion-proof, and quiet, with no sharp corners or separate parts to lose. Has convenient built-in gas inlet. Loop on rim elevates gas inlet tubing to avoid flooding. Built-in platform accommodates four 8-oz. wide-mouth bottles. Inlet connection and overflow port take 1/4-in. (6.4-mm) I.D. x 3/8-in. (9.5-mm) O.D. tubing. Tapered sides permit nesting for storage.