The Puretec LD Series is designed for large capacity filtration in high flow rate and heavy sediment applications. It helps to improve water quality and protects your plumbing system from damage and premature clogging due to sediment build-up. The latest technology in filter housings engineering, constructed using reinforced polypropylene that ensures years of trouble-free service. Puretec LD Series housings are also compatible with a broad range of chemicals.