Efficient cleaning with half-spherical bristles The half-spherical design and high-density polyester bristles enable effortless cleaning of corners and edges and provide thorough coverage of pool surfaces. Enhanced scrubbing power A 44.5 cm wide brush head with 7 rows of nylon bristles expands cleaning reach by about 300% and effectively removes stubborn stains from pool walls and tiles. Rust-resistant handle Reinforced aluminum handle angled at 45 degrees delivers optimal leverage for effective cleaning. The rust-free design ensures durability for years of use. Easy clip-on attachment Clip-on design allows quick attachment or removal of the brush head without pinching fingers, compatible with most standard pool poles (pole not included). Use scenarios - Clean corners and waterline tiles in both above-ground and in-ground pools - Tackle stubborn stains after algae growth or storm debris - Routine maintenance to keep pool surfaces clean and well-brushed