Vivid Creative NOSOK Filter Sock Replacement - 7 Inch ESV It delivers the strongest circulation

It delivers the strongest circulation and largest media volume in the 07 Series while retaining the same user-friendly maintenance features that define the family: AquaStop valves

Use: Daily reef aquarium supplementation

Holder Size: 27 mm in Diameter

16oz refrigerated microalgae-based rotifer feed and enrichment

Vivid Creative NOSOK Filter Sock Replacement - 7 Inch ESV It delivers the strongest circulationVivid Creative NOSOK Filter Sock Replacement 7 Inch The Vivid Creative NOSOK Filter Sock Replacement 7 Inch is a reusable mechanical filtration upgrade for compatible round 7 inch aquarium filter sock holders. Instead of repeatedly washing standard filter socks, the NOSOK700 lets you run the included 255 micron nylon screen or wrap the filter core with disposable filter floss for simple, customizable debris removal. NOSOK700 Filter Sock Alternative