Maintain a healthy and clear pond with TetraPond® ClearChoice™ Biofilters. Ornamental fish can overload a pond ecosystem with ammonia and other pollutants. ClearChoice™ biofiltration removes these contaminants and ammonia using its advanced Trickle Flow and Bio Ring technologies.
Maximum Pond Size: 1200...
Replacement Lid fits the Tetra PF-1, PF-2 and PF-3 Gravity Bio Filters.
Seal is no longer included by Tetra. They state that it is not needed
Approximate dimensions: Outside bottom: 14-7/8" diameter x 2-1/4" High
Does not fit the Tetra Submersible or Pressurized filters