PoolStyle WTB-1018 4' x 4' 16 Gauge Equalizer Pillow 15' x 30' x 48/52" it prevents damage from sun

it prevents damage from sun exposure

it ensures long-lasting elegance in aquatic environments

Ensure complete winter protection for your in-ground pool with this high-quality winter cover

the floats have smooth seams and vibrant colors

Perfect for valves and specialized applications

PoolStyle WTB-1018 4' x 4' 16 Gauge Equalizer Pillow 15' x 30' x 48/52" it prevents damage from sunThe PoolStyle 4' x 4' equalizer pillow helps prevent water and debris from collecting in the center of your pool cover during winter. Made from 16 gauge durable vinyl, this heavy duty air pillow provides pressure relief when pool water freezes. By compressing as ice expands, it helps protect your pool walls and liner from potential damage. The pillow also makes it easier to drain off excess water, keeping your cover more manageable during the off