Open Suction Catheter 14Fr Sterile, Whistle Tip, with Two Gloves and Cup, Latex-free Open Suction Catheters are better by design for every need. These come with the exclusive, Contro-vac valve which is proven to be more effective than chimney valves at preventing contact with fluids, thus helping to minimizing contamination. The 5-in-1 connector and stabilizing bar ensure easy connection for any size of tubing and possess a secure grip. The catheters also prove to be more effective at preventing the release of microbial contamination during suctioning process.