Highly efficient and economical filter cartridges made of pleated Polyester-Plus™ filter media.Pleated design for more surface areaFDA approved materials - NSF 61 certifiedEngineered media for superior performanceCleanable and reusable in most applications and micron sizesThermally bonded end caps to ensure better sealingApplications:Reverse osmosis pre-filtrationCommercial/residential drinking waterFood & beverage filtrationMarine/Aquatic filtration