Replacement ball joint for the following Hozelock pond pumps: • Hozelock Aquaforce 1000• Hozelock Aquaforce 2500• Hozelock Aquaforce 4000• Hozelock Aquaforce 6000• Hozelock Aquaforce 8000• Hozelock Aquaforce 12000• Hozelock Aquaforce 15000 Hozelock part number: Z10013.