This is the Ikelite UR PRO Filter 6441.41. It was used a couple times, but has no marks or scratches on the lens.
This retails at $60, I am selling it for $25, including US shipping and PayPal fees.
From Ikelite's web page:
Ikelite | Color Filters for 3.0-inch Diameter Ports
Ikelite Color Correcting Filters press fit to the outside of Ikelite lens ports offering easy attachment and removal underwater.
The specially formulated UR/Pro color correcting filter for tropical blue water settings enhances warm reds and oranges with available sunlight up to 80 ft (24m). Use in the Caribbean, Indonesia, and any blue water setting.
This retails at $60, I am selling it for $25, including US shipping and PayPal fees.
From Ikelite's web page:
Ikelite | Color Filters for 3.0-inch Diameter Ports
Ikelite Color Correcting Filters press fit to the outside of Ikelite lens ports offering easy attachment and removal underwater.
The specially formulated UR/Pro color correcting filter for tropical blue water settings enhances warm reds and oranges with available sunlight up to 80 ft (24m). Use in the Caribbean, Indonesia, and any blue water setting.