Optimum Pools 77505 27' Skimmer Panel with 100-1/4" Skim & Return for IG poolThe 27ft skimmer panel is compatiable with the following pool sizes: 27' round. This skimmer panel can replace a standard 27ft wall panel to add an additional skimmer and return to the pool. This 27ft skimmer panel can replace a 27ft above ground skimmer panel. Specific SP1084 adaptor plates (#77518 & #77519) are required to mount an SP1084 skimmer to the in-ground skimmer panel. Specific (#77168) return fitting kit required for return fitting assembly.