Doctor-preferred endometrial sampler for smoother sampling and patient comfort. The thicker stylet with double “O-Ring” maximizes suction. Centimeter markings are highly pronounced for better visibility. A larger opening facilitates maximum tissue retrieval for more reliable results. Available in three options, the Standard Pipet comes in 3 mm and 4 mm; the soft yellow 3 mm is pliable, allowing the catheter to bend for easier insertion.