Liquid Image 372 XSC Camera Mask Filter Combo Pack (Blue/Green) Use the Green Water Filter with natural sunlight in shallow green tropical fresh and salt water The Blue Water Filter is ideal for Video and is not recommended for the still image mode The filter is a wet mount which means you can take the filter off and put it on under water The filter can be snapped onto the large cap for storage during the dive or be snapped onto the front of the camera lens while underwater May be used with most Liquid Image Scuba Camera Masks