Used Hollis M-1 Dive Mask Used Regulators Special snorkel keeper to keep

Special snorkel keeper to keep it rolled up

Trust the valve the professionals use

The new profile packs up in your Sportube much better than the older models

High efficiency constant current circuit

Used Hollis M-1 Dive Mask Used Regulators Special snorkel keeper to keepPlease note this is a USED ITEM offer. The item will be in good working condition, may show signs of use or wear. PRODUCT DESCRIPTION Visibility is the most important aspect of any dive. The M1 mask raises the bar for optical quality and distortion free vision. This lens is an extra clear glass which is valued for its attractive appearance and optical qualities. The low iron content produces a higher light transmittance and a reduced green tint