💧 Dive into Purity! Experience unparalleled clarity and purity in your pool or spa. Advanced technology captures more contaminants for a pristine experience. Certified by NSF/ANSI, ensuring safety and reliability for your relaxation. Designed for easy cleaning, ensuring your filter stays fresh and effective. Fits a wide range of models, making it the go-to choice for spa enthusiasts. Dirt-Locking Tech Trilobal Fabric NSF/ANSI 50 Certified The POOLPURE PRB35-IN Spa Filter is a high-performance replacement filter designed for various hot tub models. With a filtration area of 35 sq. ft. and advanced Trilobal Filtration Fabric, it ensures superior dirt capture and easy cleaning. Certified by NSF/ANSI 50, this filter guarantees crystal-clear water, enhancing your spa experience.