Two types of nose clips are available. One pinches the nostrils closed, the other presses up to block the nostrils. Both can be easily installed on any Widolf mask. They are operated from the exterior of the mask and are adjustable for position. Emergency Breathing System hose is for connecting bailout bottles to a Widolf mask.
Masks are available with complete hardware or thru water communications.
The Widolf recirculating masks are designed for use with closed circuit, semi-closed circuit breathing systems, or standard 2 hose regulators . Backpack hoses are attached to the shutoff block at the front of the mask . The shutoff block isolates the mouthpiece are from the backpack to prevent water from going into the closed circuit backpack. Switchs between closed circuit and open circuit demand mode in the DR series. Allows the diver to select mode depending on there requirements.