Reichert Ocu Film Tip Covers for Tonometers Unit:Box of 150 this neutralizer provides healthcare facilities Vertical Port 15mm I.D. 22mm O.D. Connection this neutralizer provides healthcare facilities with a reliable solution for managing disinfectant disposal Choose between single units for individual use or purchase cases of 6 for extended supply needs Using genuine Reichert Ocu Film+ tip covers guarantees you are using a disposable tip cover that is specifically engineered for proper performance of your Tono Pen These individually wrapped covers provide hygienic protection for both patients and equipment during intraocular pressure measurements