100% Silicone with silver hydrogel coating

Evenly distributes pressure

For breathable skin protection against moisture and irritation

Ready when you need them

They feature a solid stainless steel chestpiece for high acoustic sensitivity

Passy-Muir™ Tracheostomy & Ventilator Swallowing and Speaking Valve White, Non-disposable, Flexible Rubber Tubing Irrigation Supplies 100% Silicone with silver hydrogelPassy Muir Tracheostomy & Ventilator Swallowing and Speaking Valve White, Non disposable, Flexible Rubber TubingThe Passy Muir PMV 005 (White) (15mm ID 23mm OD) is the original PMV. While it is more commonly used by non ventilator dependent persons, it can also be used in line with mechanical ventilators in conjunction with non disposable, flexible rubber tubing. Closed Position No Leak Design Restores a Closed Respiratory System. Improves Speech