Hollis M3 Prescription Dive Mask (with Corrective Lenses) Alcan Cylinders Internal Size (L W D):

Internal Size (L W D): 14 x 9 x 9cm

Because of this construction

depending on which cylinders you are using:

lightweight design—perfect for stage and decompression bottle setups

This Buoyancy Compensator is excellent for travelling and was designed for the use with a wetsuit and Aluminium 80’s cylinders

Hollis M3 Prescription Dive Mask (with Corrective Lenses) Alcan Cylinders Internal Size (L W D):The low profile Hollis M3, prescription dive mask, is a twin lens rigid frame mask with extra clear glass lenses with great optical qualities. The lenses have a lower iron content than traditional dive mask lenses, reducing the green tint and improving colours and visibility. The mask fits many faces but works especially well for small to medium sized faces. This mask takes the following lenses: planos (standard glass lenses, no correction) negative