The Waterco Baker HydroPak skimmer collar is designed for compatible skimmer applications where the collar section needs replacement. A skimmer collar is useful because it helps define and support the relationship between the skimmer body and the surrounding opening or upper assembly area, contributing to fit and finished appearance.This replacement is especially useful when the original collar is cracked, warped, or damaged during service or long-term exposure. Restoring the correct collar can improve both the structural completeness and overall presentation of the skimmer assembly.The 51B1016 is a practical repair part when a compatible Baker HydroPak skimmer needs its collar renewed for cleaner fit and a more complete finished result. Waterco Baker HydroPak skimmer collar Designed for compatible skimmer body and opening support Helps restore proper fit and finished appearance Useful when the original collar is damaged or worn Supports a more complete skimmer rebuild