Swimline Leaf Net 18' x 34' Oval Above Ground Pool Cover, 3' Overlap, Black | CO91834 Skimmer Winter Tube systems use 7 full grids

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

It offers filtration and better water clarity

The Polarshield Pro Strength Pool Cover series is made of extra strong polyethylene sheeting woven with thick polyethylene stitching

Size: 2 lb Bottle

This tightly woven solid cover material is made from a super-strong polyethylene with an 12 x 12 filament scrim to resist the harsh winter weather

Swimline Leaf Net 18' x 34' Oval Above Ground Pool Cover, 3' Overlap, Black | CO91834 Skimmer Winter Tube 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