Ex-Pro® Underwater Lens Filters lanyard hole Grey for GoPro Hero 3 3+ 4 Grey

Ex-Pro® GoPro Hero 3, 3+, 4 Underwater Lens Accessory Filters with lanyard hole - Easy snap on installation with a range of colours available for your GoPro Hero 3, 3+, 4. [Grey] filter used for underwater for dimming.

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