21' Round Super Heavy XXtreme Closing Package (Small Mouth Plate) Winter Closing Package Bottom Joiner Plate For Round

Bottom Joiner Plate For Round & Oval Saltwater Aurora/Defender/Twilight Pools

with super strong welded seams to last long winters and hot summers

This Hi-tech pool model offers an innovative design that's never been seen in above ground pools before

help maintain pH and restore water clarity

AquaPro PurFlo Pump Lock Ring for all AquaPro 1

21' Round Super Heavy XXtreme Closing Package (Small Mouth Plate) Winter Closing Package Bottom Joiner Plate For RoundCompatible with Chlorinated pools, Saltwater pools & pools treated with the Pool Frog System. The Super Heavy XXtreme Winter Cover is designed to stand up to winter after winter of ice and snow!