B BUBBLEFIN4" Pre Sump Filter Sock Holder

B BUBBLEFIN 4" Pre Sump Filter Sock Holder

4 Pack - 4 Inch Ring Filter Socks 200 Micron - Aquarium Felt Filter Bags -4 Inch Ring By 9.5 Inch Long [Short Version] - Fits Eshopps and Aqueon

4 Pcs 4inch 150 Micron Honeycomb Filter Socks, Aquarium Filter Sock 3D Honeycomb Design, Aquarium Filter socks for Saltwater Aquarium, Use in Freshwater Saltwater Aquarium Ponds Sumps Overflows