Fluval 404/405 Foam Filters are designed specifically for use with the Fluval MSF 404 and 405 filters. It effectively removes particulate matter mechanically. and allows thriving populations of beneficial bacteria to aid in the establishment and maintenance of the biological balance in the aquarium.
DISCLAIMER: The results described on the testimonials on this site, are the individual experiences and personal opinions of those who have purchased and used the products. These testimonials are not intended to make any claims that the products can be used to diagnose, treat, mitigate, cure or prevent any disease or medical condition.