Filter Cups

4" filter media cups include a free high quality filter media bag, as used in Red Sea Reef-Spec Carbon. Cup Dimensions: 4.25 x 4.25 x 8.5"

4" Filter Media Cup Our 4" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the...

4" Filter Media Cup Our 4" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the...

7" Filter Media Cup Our 7" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the...

New to ESHOPPS Bio Cup R, (Rectangular) media cup is designed to be used in place of a standard 4”x7” filter sock. ESHOPPS Bio Cup R all acrylic construction & high flow water channels allow for any type of filtration media...

Silence Your Sump and Simplify Your Maintenance Routine Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution for a quieter, cleaner reef tank. Designed by Vivid...

7" Filter Media Cup Our 7" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the...

BIOCUP NANOBest upgrade to your Nano/Pico aquarium filtration.Designed to work best with your Deskmate and Mariner AIO.Substitutes your NANO FILTER SOCK to use with your filter biomedia.BIOCUP NANO fits any round filter sock holder with a diameter of 2...

Silence Your Sump and Simplify Your Maintenance Routine Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 2.75 Inch Silencer is the ultimate solution for a quieter, cleaner reef tank. Designed by Vivid...

Stop Washing Dirty Filter Socks Forever Nobody likes dealing with a laundry bucket full of dirty, foul-smelling 7-inch filter socks. Traditional filter cups choke flow quickly, and automated fleece rollers come with high price tags and complicated...