Designed to Remove Cyan Color CastFor Blue Saltwater or Clear Fresh WaterBest at 15 to 70' DepthsBrand: GoProProduct Description: The Red Dive Filter for Standard Housing Red Dive Filter for Standard Housing from GoPro is a color correction filter designed to remove cyan color cast while using the camera in blue-biased waters, and is ideal for use in blue salt water or clear fresh water at depths between 15 and 70'. Dive sites where one might use this filter include sunny, tropical locations such as the Bahamas, Cayman Islands, and Hawaii. The filter is specifically for the Red Dive Filter for Standard Housing for the HERO3, HERO3+, and HERO4 if you will use the Dive Housing a different filter is required. The filter snaps into place for tool-free installation, and features scratch-resistant, optical-grade glass designed to ensure optimal image clarity. A tether to secure the filter to the housing and a carrying bag are included.