GPC Winter Covers 112546AGB 21' x 42' Green/Black Oval Above Ground Pool Winter Cover with 4' Overlap Pool Recreational Equipment The Polaris 39-120 Chain Tensioner

The Polaris 39-120 Chain Tensioner Kit is designed for the Polaris 3900 Sport Pool Cleaner

Its dual scrubbing brushes and top-access debris basket ensure a thorough clean with minimal effort

Each pack includes two sturdy hangers

a fan-powered pool cooling system that efficiently circulates and cools water using air instead of chemicals or compressors

this winter cover boasts a 12-year lifespan

GPC Winter Covers 112546AGB 21' x 42' Green/Black Oval Above Ground Pool Winter Cover with 4' Overlap Pool Recreational Equipment The Polaris 39-120 Chain TensionerProtect your above ground pool this winter with the GPC Winter Cover. Designed for 21' x 42' oval pools, it provides secure coverage with a 4' overlap for extra protection. Built with cold weather resistant materials, it ensures reliable durability in harsh conditions. Keep your pool clean and debris free throughout the off season.