Give your Bestway pool its best performance by using the Bestway Filter Cartridge Type III / A. It is recommended you change the filter regularly so you can filter the water in your pool and keep it attractive and refreshing all season. This replacement cartridge works for your Flow Clear 530, 800, 1300, 1500 gallons per hour filter pump. Ensure the long life of your Bestway pool and filter pump by replacing the filter regularly. Keep your pool water clean, crystal clear, and hygienic with the help of the included Bestway Flowclear 1500 GPH Filter Pump for 8,400-Gallon Above-Ground Swimming Pool. This filter pump fits most above-ground pools. With a flow rate of 1,500 gallons per hour and an integrated pool system flow rate of 1,050 GPH, this pump has the power to filter pools up to 8,400 gallons in size. This pump has a GFCI plug and comes with 2 hoses and adapters for pool valves with an outer diameter of 1.25 inches. It is easy to install and maintain, to ensure year after year use. For the long life of your pool and the health of swimmers, take care of your water with the Bestway Flow Clear 1000 GPH Above-Ground Pool Filter Pump.