Screw on this filter before your next shallow dive or snorkel session at the reef. DESCRIPTIONEngineered for the blue waters of tropical reefs or the shallows of Lake Tahoe, the SRP URPro SWCY Filter corrects the bright blue so your GoPro HERO camera captures accurate details of your shark and sea turtle encounters. Just screw this 55mm filter onto your BlurFix 55mm Filter Adapter (sold separately), slip them both onto your GoPro HERO3, HERO3+ or HERO4 standard housing and begin your documentation of the bustling reef. FEATURESThe patented color-correction technology enhances video quality in the bright blue saltwater of tropical reefs or in the crystal clear freshwater of Lake Tahoe.Shallow Water Cyan (SWCY) Filter works best at depths of 25 feet or less.This 55mm filter easily screws onto the BlurFix 55mm Filter Adapter (sold separately here), and slips onto any GoPro HERO3, HERO3+ or HERO4 standard housing.Low-profile filter ring limits mechanical vignetting and field of view restriction during your next underwater shoot.SWCY Filter must be used with BlurFix 55mm Filter Adapter. TECH SPECSManufacturer:SRPSize:3" x 3 x .25"Weight:1 ozMaterials:Optical GlassWarranty:Manufacturer WarrantyCompatibility:BlurFix 55mm Filter Adapter - HERO3, HERO3+, HERO4 (Standard Housing only) WHAT'S INCLUDED 55mm URPRO Shallow Water Cyan Filter (SWCY) Filter Free GoWorx Stickers Note: Camera and filter adapter not... More