1 unit, the pictures is for display only
Pre Filter Bag is design for Aquarium Use.
Feature
- Suitable for Pre Filter sand / rocks in the sump
- 200 high micron can filter copper in the water (See Video / Picture)
- Prevent any sand /rocks filtering, and protect for your skimmer avoid broken by rocks
- Easy to clean and reuse to wash
Specification
- 200microns 4" x 14" Or 7" x 14"
- Better can combine with our pre filter mount to use
video
http://www.youtube.com/watch?v=gR7OTSIqySo
