Nightsea BlueBlock Yellow Flip Filter Mask Visor & Strap Wrapper Combo for Dive Masks

Nightsea BlueBlock Yellow Flip Filter Mask Visor & Strap Wrapper Combo for Dive Masks

Outside-the-mask filter visor to block the reflected blue light

Captures the filter visor to your mask strap so that it won't get lost. This has been designed to work with the Nightsea BlueBlock Yellow Flip Visor.