Marine Color 4 Inch Pre Sump Filter Sock Holder Aquarium Sump Mount Bracket Acrylic Saltwater Reef Tank Felt Bag Overflow Box Sock Holder with Screw Fixed

Acrylic Construction – High-quality acrylic bracket supports prefilter sock without warping or corrosion, compatible with saltwater and reef aquariums.

Screw Fixed Mount – Includes screws for secure installation on overflow boxes or sump glass, maximum hold thickness up to 19mm.

Efficient Filtration – Stabilizes filter sock, preventing movement during water flow, helps reduce debris and maintain water clarity in tanks.

Wide Compatibility – Works with 4-inch filter socks, suitable for freshwater, saltwater, reef tanks, and custom sump filtration setups.

Pre Sump Sock Holder – Designed to hold 4-inch filter socks securely in aquarium sumps and overflow boxes for optimized water filtration.