Swimline Leaf Net 18' Round Above Ground Pool Cover, 3' Overlap, Black | CO918 Covers & Cover Accessories systems use 7 full grids

systems use 7 full grids (FG-1004) + 1 partial grid (PG-1904)

Its open drip proof design prevents water infiltration

reducing power use compared to single-speed motors

(Note: their brown plastic bottles help protect very light-sensitive reagents

Total open area: 43

Swimline Leaf Net 18' Round Above Ground Pool Cover, 3' Overlap, Black | CO918 Covers & Cover Accessories systems use 7 full gridsSwimline Leaf Net is made from an exceptionally durable, woven material that's so lightweight you can easily carry even under one arm. It prevents leaves and twigs from contaminating your pool water and eliminates that swamp like build up that makes spring cleaning such a chore. Includes convenient winch tightening device that secures the leaf net to the side of the pool. Features and Benefits: Lightweight and easy to carry Prevents leaves and twigs