Fologtoo 0.7mm Thickened Corner Pool Water Tubes, 4 Pack 23.6”x11.8”Corner Winter Water Tube for Swimming Pool Covers, Three-Layer Composite Material — Open-Box, 15% Off

3-Layer Composite Material: made from 0.7mm thick 3-layer composite material. Crafted with E-PVC on upper/lower layers and a fiber explosion-proof middle layer. They hold seal edges far better than 0.4mm single-layer PVC, ensuring long-lasting performance

High-Frequency Welded: Engineered with high-frequency welding and wide seams, our corner water bags ensure airtightness and pressure resistance. Withstand freezing temps as low as -10°F for over two years. Fill to 2/3 capacity to prevent freeze expansion

Leak-Proof Screw Cap: Easy to use spiral filling caps with built-in rubber seals. A simple twist ensures secure closure, preventing leaks and making pool cover bags maintenance a breeze, far surpassing traditional push-type caps in ease and reliability

Protect Vulnerable Corners: Keep your pool safe with our winter corner water tube. It's designed to withstand strong winds, its wide fit locks in place to keep leaves and debris out of the pool, ensuring it stays clean and secure during the winter

Easy Setup: Effortlessly prep your pool for winter with our easy-to-use pool cover bags. Just fill them once and forget about tricky setups. Simplify your pool care and free up time for the things that matter most this season

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