Swimline Aqua Blocks Pool Cover Weights - Heavy Duty 12 Pack for In-Ground Swimming Pools | Secure & Stabilize Your Pool Cover | Perfect for Winter Protection & Wind Resistance

Product Description

The perfect alternative to water tubes. Unbreakable Aqua Blocks held down winter covers without splitting or breaking like water pipes can. Made from black high-density polyethylene, the walls are four times thicker than water pipes and they have no seams to split or break. A UV inhibitor helps resist cracking and fading. Unique design allows for quick, easy storage of multiple Aqua Blocks nested in the spring. Security latch cover. Dimensions: 8-in. wide x 4-in. deep x 36-in. long.