I-DIVE UV Lens Filter with 67mm Mount
UV Filter to fit Ports with a 67mm thread.
Replaced by Hyperion 67mm UV Yellow Filter.
Second image shows Lens Filter & Mask Filter sold separately.
What do you need to enjoy Fluorescent Diving?
(1) A Dive Light that produces UV Light Waves
(2) A Yellow UV Mask Filter
(3) A Yellow UV Lens Filter for your Camera or Video