Amazon.com : 4pc Filter Kit For GoPro Hero 3 Large Dive case. Filters come w/ Soft Case. Red, Purple, Pink and Gray Colors. Scuba Green Water, Scuba Tropical Water, ND & Warming
PolarPro Red Filter Hero4 for GoPro Hero3+ / Hero4 40m Standard Housing
Amazon.com : 4pc Filter Kit For GoPro Hero 3 Large Dive case. Filters come w/ Soft Case. Red, Purple, Pink and Gray Colors. Scuba Green Water, Scuba Tropical Water, ND & Warming
Free shipping + tracking number 4pcs Lens Filter Diving Filter Gopro HERO 3+ 4 Camera Housing Case Underwater Lens Converter|dive filter gopro|filter goprolens filter - AliExpress
Diving Lens Filter Kit Compatible with GoPro Hero 4 Hero+ Hero and 3+ fits Standard Waterproof Housing Enhances Colors for Underwater Video and Photography Includes 5 Filters - Newegg.com