Vivid Creative NOSOK Filter Sock Replacement - 4 Inch Sponges Required hole size: 1-1/2 in

Required hole size: 1-1/2 in

and run several test feedings to confirm the portion size

Contains borate for added pH stability

UPC: 042055324403

Lumen output: 834 lumens

Vivid Creative NOSOK Filter Sock Replacement - 4 Inch Sponges Required hole size: 1-1/2 inVivid Creative NOSOK Filter Sock Replacement 4 Inch Leave Traditional Socks Behind with the NOSOK 4 Inch The Vivid Creative NOSOK Filter Sock Replacement 4 Inch replaces a compatible 4 inch aquarium filter sock with a reusable and customizable mechanical filtration system. The NOSOK400 can use its heavy duty nylon screen or inexpensive filter floss to provide filter sock like performance without repeatedly washing dirty fabric socks. Screen or Floss