ScubaPro Crystal VU Plus Mask Color:Blue / Grey Countdown start time setting range:

Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

which continues to find favour with enthusiasts

It integrates perfectly with Waterman John as another layer

it is crucial to have a well-built

Button operation tone on/off

ScubaPro Crystal VU Plus Mask Color:Blue / Grey Countdown start time setting range:Patented single lens design with seamless side window for a panoramic field of vision No tint glass for extra clarity EZ Equalize nose pocket Patented single lens design with seamless side window for a panoramic field of vision Crystal clear, double sealed silicone skirt for superior fit and comfort. New even Lower volume styling for a snug fit Overmolded frame design Swivel buckles for easy adjustment. Tempered glass lens. Available in 4 colors Black