Pond Biofilter/SpillwayDesigned to be buried and hidden with rocks, these plastic biofilters feature a wide spillway. Water is pumped through a 1 1/2" FNPT bulkhead fitting in the bottom (2" in BF45 and BF230). As water travels up, it passes through a perforated bottom diffuser, optional biomedia (not included) and then out the spillway. A media bag and foam filter disc are included. Length includes spillway. Ships UPS (except BF230). Made in USA. |
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