Penn Plax 15 or 20 Gallon Tank Divider inline uv sterilizer Each helmet is a faithfully

Each helmet is a faithfully detailed replica of an early 20th century diving helmet and features multiple swim thru holes for your fish

7″ Tunnel Tube

This powerful aquarium heater also has double insulation and is made from high quality insulated glass

Fish and other aquatic species may be introduced at any time as long as dosage is maintained for 7 days

this easy-to-use air pump is capable of powering a variety of aeration accessories including air stones

Penn Plax 15 or 20 Gallon Tank Divider inline uv sterilizer Each helmet is a faithfullyInstantly converts one aquarium into two! *Separates baby fish or "rough" fish. *Allows for unrestricted filtration and heater circulation. This will fit 15 & 20 Gallon Aquariums. 11 3 8" x 11 3 8"