The high-volume DD-6 double diaphragm pump from Myers Seth Pump can be used for multiple applications, including well-pointing, ponds, sludge, sewage, and handling solids up to 4 inches in diameter. It’s self-priming with head pressure of 135 feet and a flow rate of 475 gpm. It can be run up to 10 days on 65 gallons of fuel. It can be used to replace many current 4-inch pumps in the market; its industrial engines run efficiently and can be repaired in the field easily. 904/389-6114; www.myersseth.com.