Rock Blocker – Heavy-Duty Protective Pool Liner Barrier Replacement Liner corrosion-resistant materials ensure reliability and

corrosion-resistant materials ensure reliability and longevity

approximately the size of a smartphone

precise fit without removing the pool’s top rails

the world's first 5-in-1 cordless robotic pool cleaner designed to elevate your pool maintenance experience

Manufacturer Part #: 37086 (Replaces 301757 & 301755)

Rock Blocker – Heavy-Duty Protective Pool Liner Barrier Replacement Liner corrosion-resistant materials ensure reliability andProtect your above ground pool liner from punctures, tears, and abrasions with the Rock Blocker, a premium protective barrier designed to extend the life of your pool. This durable, heavy duty underlayment provides an extra layer of defense against rocks, roots, and rough surfaces, ensuring a smooth and secure foundation for your pool. Made from puncture resistant geotextile material, the Rock Blocker is engineered to prevent damage from sharp objects