Swimline Super Guard Rectangular In Ground Winter Pool Cover with 5' Overlap, Blue/Black, Various Sizes Pool Size:30' x 50' it fits precisely where standard-width

it fits precisely where standard-width cartridges cannot — making it the right replacement for Pentair Module Media systems and Rainbow Plastics Lifeguard CL-29 inline filters

Removes copper stains and scale from all types of pool surfaces

Also known as: PG1904

Quick & Easy Opening and Closing

Swimline Super Guard Rectangular In Ground Winter Pool Cover with 5' Overlap, Blue/Black, Various Sizes Pool Size:30' x 50' it fits precisely where standard-widthSwimline Super Guard Winter Cover is made of extra strong polyethylene material with double stitching that allows it to hold up in even the harshest of winters. A large 5 ft. overlap allows for installation on virtually any in ground pool. Use Swimline water tubes to ensure a sturdy anchor to prevent cover movement sold separately. What Size Is the Cover I Am Getting? These can be confusing with you choosing a pool size and there is an "overlap"