Genuine Tetra replacement bulb and Quartz sleeve for both the original and newer version Tetra 1500, 2500 and 4000 Tetra Pressurized filter with UV. The 1500 model uses the 9w UV bulb and both the 2500 and 4000 accept the 18w UV bulb.
The foam blocks are used only in the original Tetra filter and are packaged two to a pack. The 1500 gallon Tetra pressurized filter requires 4 foam blocks, the 2500 gallon requires 5 foam blocks and the 4000
more
Pond Supplies by Sunland Water Gardens
Pond Filters: Conversion Kit for Old Style Tetra Pressurized Filter | Tetra Pond Filters
Convert your old style Tetra Pressurized filter to the newer style Bio-Active Pressurized Filter. This kit is easily installed and includes the open profile bio-activators, up flow tube and internal pumping jets.
more