12'x21' Oval Supreme Guard Winter Cover YGroup_Bristol removing microscopic dust and pollen

removing microscopic dust and pollen as small as one micron - 100 times smaller than a grain of salt

Swimline's overlap liners are made to last

eliminating the need for poles or braces protruding at each side of the pool

The fine-mesh basket has a tapered front edge to aide in easy scooping of debris

12'x21' Oval Supreme Guard Winter Cover YGroup_Bristol removing microscopic dust and pollenThis lightweight yet sturdy above ground pool cover is made from triple laminated polyethylene and features heat sealed seams that will not allow water to pass through. The Supreme Guard Winter Cover is a reliable choice for efficient and lasting winter pool coverage. Vinyl coated steel cable and winch are included.