Aquatic Experts Felt Filter Socks – 4 Inch Ring Style, 200 Micron Aquarium Filter Sock for Sumps & Aquariums (4" x 14", 2 Pack)

About This

• RING STYLE – FITS STANDARD FILTER CUPS: These felt aquarium filter socks feature a smooth molded plastic ring designed to fit standard filter cups and holders commonly used in sump systems, and they are not compatible with Red Sea filter trays.
• 200 MICRON FELT FOR MECHANICAL FILTRATION: Made from dense polyester felt, these sump filter socks provide reliable mechanical filtration by capturing fine particles such as uneaten food, fish waste, detritus, and debris.

Overview

• RING STYLE – FITS STANDARD FILTER CUPS : These felt aquarium filter socks feature a smooth molded plastic ring designed to fit standard filter cups and holders commonly used in sump systems, and they are not compatible with Red Sea filter trays.
• 200 MICRON FELT FOR MECHANICAL FILTRATION : Made from dense polyester felt, these sump filter socks provide reliable mechanical filtration by capturing fine particles such as uneaten food, fish waste, detritus, and debris.