Pool Aqua Blocks – Inground Winter Cover Weights
THE PERFECT ALTERNATIVE TO WATER TUBES! Aqua Blocks hold down winter covers without splitting like water tubes. Constructed from high-density black polyethylene, Aqua Blocks are nearly indestructible! UV inhibitor helps resist cracking and fading. Aqua Blocks unique nested design allows quick, easy storage in the spring. Secure snap-lock cover. Dimensions: 8-in. wide x 4-in. deep x 36-in. long.