Swimline Supreme Guard Solid Above Ground Winter Pool Cover - 30' Round 2-hiflow-backwash-valve It features a beveled knife

It features a beveled knife edge so that you can slide the shovel easily between the meat and grates

Dimensions:  12” x 16¼” (2)

Manufacturer Part # 355093Z

providing a low level chlorine support for approximately 2-4 weeks

Manufacturer Part # R172060Z

Swimline Supreme Guard Solid Above Ground Winter Pool Cover - 30' Round 2-hiflow-backwash-valve It features a beveled knifeSwimline's Supreme Guard winter pool cover helps keeps your water free from dirt, leaves, and debris. It helps prevents algae growth, so you can skip the costly maintenance and avoid time consuming spring cleanups. 10 x 10 Scrim 4 foot overlap Pool Type Above Ground Pool Size 30' Round Cover Size 34' Round Manufacturer Swimline Warranty 10 Year Manufacturer Pro Rated Warranty 1 Year Full Cover Color Green