Product Description Submersible pumps designed specifically for hydroponic systems. Features: Powerful mag drive construction. Indoor use. Oil free and environmentally safe. BPA free. Safe for aquaponic use. One year warranty. 6′ power cord. Has 5/16″ fitting for 5/16″ ID tubing. 1/4″ ID tubing will fit inside fitting. NOTE: Models 40 GPH-160 GPH contain a steel shaft and are not suitable for saltwater applications. Larger pumps (250 GPH-1000 GPH) have a ceramic shaft, and these are suitable for saltwater operation.
