Filter Floss Holder Color:Black Snug-fit design keeps everything in

Snug-fit design keeps everything in place during use or transport

so every branch runs from fiery base to cool glowing cap

designed specifically for the Hanna Calcium Checker

Assembles easily in minutes

Filter Floss Holder Color:Black Snug-fit design keeps everything inFilter Floss Holder Fits 7 and 4 Filter Sock Openings Simplify your filtration routine with the Treasure Corals Filter Floss Holder. Designed to fit standard 7 or 4 filter sock openings, this holder offers a clean and convenient way to use and replace filter floss without the mess or hassle of traditional socks. Fits standard 7 or 4 filter sock holes Makes replacing filter floss quick and easy Helps maintain water clarity and reduce detritus buildup