Fit Thermo Scientific™ Nalgene™ Narrow Mouth and Wide Mouth Bottle Replacement Closures onto Nalgene narrow mouth and wide mouth bottles.

Dispense just one drop at a time, with convenient, one-hand operation Captive spout cap stays in place when bottle is squeezed

Stem & Draw Tube Closure Applicable with Nalge # 2401-0030, 2401-0060 & 2401-0500

Perfluroalkoxy (PFA) screw thread closures 20mm thread