Pro Clear Aquatic Systems Overflow Box/Prefilter

The ProClear Aquatic Systems Overflow Box allows you to convert most standard aquariums to a sump / wet dry / or refugium filter. These overflow boxes include a bulkhead fitting, U-tube, and a sleek design.

• The ProClear Aquatic Systems Overflow Box allows you to convert most standard aquariums to a sump, wet/dry, or refugium filter
• These overflow boxes include a bulkhead fitting, U-tube, and a sleek design