[jaxal]

I use nano filter that design for betta tank. I use on 4 gallon cube I quite easy, clean and inexpensive.

Here is the like, what it look like

http://bigalsonline.com/catalog/product.xml?product_id=29281;category_id=1721;pcid1=2885;pcid2=

http://bigalsonline.com/catalog/product.xml?product_id=29283;category_id=1721;pcid1=2885;pcid2=