Techno Filter 2.0 - Red Filter for GoPro Hero 4,3+, & 3 on GoPro Standard Housing Scuba Accessory Red Filters for GoPro Hero 3+ for above and underwater use Color Correction for when you have different lighting Easy to attach with GoPro Hero 3+ Housing Compatible with GoPro Hero 3+ Housing only Perfect for Scuba Diving, Underwater photography, Aerial Photography