HomeMasksMK-P21 MK-P21LOG IN TO VIEW PRICE This is the purge version of MK-O21 Optical. Special Purge Design – The special purge system allows diver to eliminate excess water within the mask. Optical lenses are available ranging from -1.0 to -8.0 and +1.0 to +4.0 Color Choose an optionCCBCKCYKKSMBMRNYClear SKU: MK-P21 Category: Masks Product ID: 19755 Related Products Add to WishlistRemove from Wishlist Add to Wishlist SK-205 LOG IN TO VIEW PRICE Add to WishlistRemove from Wishlist Add to Wishlist FN-304 LOG IN TO VIEW PRICE Add to WishlistRemove from Wishlist Add to Wishlist T-18 LOG IN TO VIEW PRICE