Preserves Water Levels: Keeps water at normal operating capacity all winter to provide structural support for vinyl lines and minimize spring chemical costs.
Sub-Zero Temperature Resilience: Constructed from a flexible, high-density polymer rated to withstand harsh freeze cycles and extreme temperatures down to -80°F without splitting.
OEM Hayward Compatibility: Designed with a precise bolt hole pattern configured exclusively for Hayward SP1084 in-ground skimmer bodies.