Spareiaex replacement safety float line, designed as a direct replacement for R181216. This unit includes 7 floats and is sized for an 18 ft span, matching OEM fit and function for model 3518. Key benefits Restores a defined pool boundary quickly by replacing worn or damaged float lines. OEMcompatible fit and layout for straightforward installation without adjustments. Seven floats spaced to cover an 18 ft run, providing consistent buoyancy along the entire line. Reliable performance for routine pool maintenance and seasonal replacement. What this product does Replaces the R181216 safety float line to recreate the intended shallow and deep area separation. Provides the same float count and length used in the OEM configuration for model 3518. Compatibility and specifications Compatible with R181216 safety float line applications and model 3518 sized at 18 ft. Includes 7 floats arranged for an 18 ft line. Designed to match OEM dimensions and function. Practical use scenarios a worn float line at the start of pool season to ensure the pool boundary is clearly marked for swimmers. Swap out a broken or damaged line after winter storage to restore correct float spacing and line tension. Use during routine maintenance when updating pool equipment to OEMcompatible components for model 3518. Installation and care Intended as a direct replacement for the specified model and length, allowing simple installation using existing attachment points. Inspect connection points and line tension after installation to ensure proper alignment and secure fastening. Store spare float lines flat and out of prolonged direct sunlight when not in use to maintain condition. Package contents One replacement safety float line sized for 18 ft with 7 floats, compatible with R181216 and model 3518. This replacement float line is offered to restore the original layout and function for pools using the R181216 style safety line for 18 ft model 3518 applications.