Are these two masks the same? They look remarkably similar to me.
Check it out for yourself:
http://www.mares.com/product.asp?cat=2&prod=107&menu=6
http://www.omersub.com/omer/data/masks/exsite.htm
Check it out for yourself:
http://www.mares.com/product.asp?cat=2&prod=107&menu=6
http://www.omersub.com/omer/data/masks/exsite.htm