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BioTek Marine Poly Ring Felt Filter Socks

Instantly improve your water quality with the BioTek Marine 100 or 200 micron poly ring filter socks. These highly durable mechanical filters help trap uneaten food, free floating particulate matter, micro-bubbles, and even dust from your aquarium.  Pre-molded with internal ring and double stitched for maximum durability, micron socks are truly the BEST upgrade to your filter/sump for polishing water. The result is higher quality aquarium water.

4" POLY RING FILTER SOCK FEATURES:

  • High Quality Double Stitched Felt
  • Available in 100 or 200 micron Pore Sizes
  • Pre-rinsed for Instant Use
  • Made in USA
  • Internal Poly Ring
  • Size: 4”x 14”
  • Fits Standard sized 4" Filter Sock Holders

7" POLY RING FILTER SOCK FEATURES:

  • High Quality Double Stitched Felt
  • Available in 100 or 200 micron Pore Sizes
  • Pre-rinsed for Instant Use
  • Made in USA
  • Internal Poly Ring
  • Felt Handle for Convenience
  • Size: 7”x 32”
  • Fits Standard sized 7" Filter Sock Holders
BioTek Marine - Poly Ring Filter Socks
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