Type Bravo Magnetic Fog Wiper is optimal for scuba diving and snorkeling masks and safety goggles. It works on prescription lens masks.

Note that ONE unit (quantity=1) of this product is needed for single-lens masks, and TWO units (quantity = 2) are needed for double/split lens masks, as shown in the photos.

PRODUCT FEATURES: 

• Requires no training

• Conserves air (by preserving air used on rinsing mask)

• Clears view when desired

• Keeps cold or contaminated water away from face (by not rinsing)

• Chemical-free (will not irritate eyes)

• Does not wash off like anti-fog solutions

• Everlasting (never "runs out")