Features: The Red Color Correction Filter is the most used in blue waters (bright days shallow waters etc.) specially used for recordings in less light or more depth situationit helps you to capture the real colors. Armed Your Hero Share Your World. Notice : This filter is compatible with GoPro Hero3+ Diving Housing only. Specifications Compatible Brand GoPro Compatible Models Hero3+ Lens Diameter :42*38mm Dimensions : 5.2cm x 4.8 cm x 1.2 cm Net Weight :13g Package Weight:23g Packing List 1 x Filter