The UML Oral Tube is manufactured from a durable and flexible grade of polyether based polyurethane being available in three standard lengths, 4'' (100mm) 6'' (150mm) and 7''(180mm).
The unit contains a sensitive, robust one-way Oral Valve which seals using a very high quality silicon membrane.
The black polyurethane dust cap, when fitted as recommended when the jacket is in use, serves to protect the Oral Valve, this cap can also be turned over and used to open the oral valve when deflating the lifejacket.
Important Information;
The oral tube is designed for oral inflation pressures only. Care must be taken when inflating the life jacket through the oral tube and pressures must not exceed 20PSI/1380mbar
