ProMaster Filter Adapter for GoPro Hero 3 &amp; 4 - 52mm<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Allows you to attach any threaded 52mm filter to the GoPro </span></li><li><span class="a-list-item"> Easily press on filter adapter to the square port of the standard housing which surrounds the camera’s lens </span></li><li><span class="a-list-item"> Compatible with GoPro Hero 4， Hero 3+， and Hero 3 with 'standard’ underwater housing </span></li><li><span class="a-list-item"> Not designed to be used underwater </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21yuYjVKRAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41L5PmDXztL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41HRV9j6WWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nZiYYB3yL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-4P5oE0SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415bxm%2Bz7nL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dVMHXIzrL.jpg" noproxy>