Replacement foam pads for Fluval U Series Underwater Filters.
Foam pad replacement cartridges for the Fluval U Series Underwater Filters. Helps filter water mechanically and biologically. Be sure to change this insert regularly for optimum water clarity and quality.
Rated 4 out of 5 by 1
Rated 4 out of 5 by ladytj works well with my waterfall pump . size was a bit deceiving but I made it work.
November 22, 2013
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