Poolmaster's Maintenance Collection consists of the essential products for swimming pool and spa maintenance. Items include skimmers and rakes, vacuums and hoses, water treatment tools, brushes and poles, accessories and replacement parts made in various styles, sizes, and quality materials. Items from the Maintenance Collection are constructed with durable materials designed to keep your pool sparkling. Poolmasters Replacement Filters feature break-resistant bands that keep pleats separated for greater flow, filtration and add longer life to cartridge. High quality spun bonded polyester material means exceptional water filtration while premium grade end caps create durability.