Quote:
Originally Posted by wickedfrags.com
These are filter socks - the filter effluent from the various pipes that enter a sump to keep the sump clean, and also to control micro bubbles.
The reason I sell them is becuase they are so effective. Other than my lumanarc reflectors, one of the best products dollor for dollar I have ever bought. I would recommend them to my own mother 
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I didn't know you sold socks how much are you selling them for.