16" Super Gizzmo
Gizzmo screws directly into your skimmer to prevent cracks caused by ice. This product is also commonly known as "Skim-Insure," "Skimmer Guard," or "Pool Skimmer Expansion Plug."
Gizzmo is a family-owned company out of Winooski, VT. Since 1972 the GIZZMO has been the original industry standard for skimmer protection.