💧 Dive into Cleanliness with Poolpure! NSF/ANSI 50 certified for peace of mind in your spa experience. Designed for easy cleaning, keeping your spa fresh with minimal effort. Greater surface area for superior dirt holding, ensuring your water stays pristine. Fits a wide range of models, ensuring you never miss a beat in relaxation. Experience crystal-clear water with our advanced trilobal filtration fabric. 50 Sq.ft filtration area Length: 13 5/16" Easy to clean design The POOLPURE PLFPRB50-IN Spa Filter is a high-performance replacement filter compatible with various hot tub models. With a length of 13 5/16" and a filtration area of 50 Sq.ft, it features a unique trilobal filtration fabric that effectively removes fine particles while being easy to clean. Certified by NSF/ANSI 50, this filter ensures safe and reliable performance, making it an essential accessory for maintaining your spa's water quality.