Keep debris, leaves, and trash from getting into your pool with this Flowclear pool cover from Bestway. Above ground swimming pool cover can prevent algae growth and reduce costly replacement chemicals when the pool is not in use. This pool cover has drain holes to prevent water from accumulating on the cover. The pool cover is easy to install, extremely durable and includes ropes to secure the cover to the pool. This pool safety cover is suitable for Steel Pro Max pools, Power Steel pools and Power Steel Deluxe Series pools with a diameter of 427 cm.