The Seac Sub "Extreme" Diving Mask is a very high quality mask. Manufactured by one of the world leaders in the diving industry, this mask is excellent for both diving and snorkelling.

Technical details

• Mask type: Two-window model
• Internal volume: Medium
• Frame Material: Polycarbonate
• Skirt Material: Clear Silicone
• Power Range Minus: -1.00 to -10.00 in 0.50 steps
• Power Range Plus: +1.50 to +5.00 in 0.50 steps
• Glass Type: Tempered
• Use: Snorkeling - Scuba