The Pool V Filter Replacement Cartridge by Bestway Flowclear is designed for above ground pools, with a maximum flow rate of 330 gallons per hour. This easy-to-clean cartridge features a V shape and is made of durable material that is resistant to water. The product is compatible with 110-120V filter pumps and is suitable for all pool types. With a capacity of 330 gallons, this cartridge is a convenient and efficient choice for maintaining clean and clear pool water.