GLI 16' x 36' Rectangle Mesh Safety Cover w/ 4' x 8' CES, Blue | 20-1636RE-CES48-SAP-BLU Cartridge Filters Material: Non-corrosive

Material: Non-corrosive

sanitizers lose their efficiency

Using four cartridge elements

or if being used during start-up of a new plaster pool

GLI 16' x 36' Rectangle Mesh Safety Cover w/ 4' x 8' CES, Blue | 20-1636RE-CES48-SAP-BLU Cartridge Filters Material: Non-corrosive16' x 36' Rectangle Mesh Safety Cover with 4' x 8' Center Entry Steps section, Blue Color. Our Secur A Pool Safety Cover is renowned in the industry for its strength, durability and ease of installation. In addition, it is a maintenance free cover that provides pool owner complete peace of mind during the off season that their pool investment is not only protected against the elements, but also, will not pose a danger to unexpected visitors. Features