500 PSI Mask Defog is without question the clearest, longest acting and most effective defog on the market. One application works for at least three dives in one day. Cleans your mask each time you use it. Wet or dry application, has the consistency of extra thick toothpaste, and when applied to the lens typically lasts all day long. 500-PSI Mask Defog comes in 2 or 4 fl. oz. (59 or 118 ml) size with a 2 fl. oz. (59 ml) available with a carabineer clip.

Mask Cleaner. Mask Defog. 500 PSI.

Date First Available: June 14, 2006. Best Sellers Rank: #122,365 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 451 ratings 4.2 out of 5 stars. : B003JPJIH4. Size: ?2 oz. With Carabiner. Part Number: ?FBA_502. Manufacturer: ?500PSI. Suggested Users: ?Defog. Model Name: ?FBA_502. Brand Name: ?Innovative Scuba Concepts. Item Weight: ?3 Ounces. Item Dimensions LxWxH: ?6 x 2 x 4 inches. Package Weight: ?0.09 Kilograms. Item Package Dimensions L x W x H: ?5 x 1.7 x 1 inches.