Trimline cartridge filters are constructed from high impact polypropylene and are designed for easy maintenance to give you years of trouble free service. The body is constructed from a single mould, eliminating any possible leaks and the filtration element is made from heavy duty easy to clean polyester fabric. The rugged non-corrosive construction of Trimline cartridge filters allows their use in fresh or salt water.Trimline comes with a ten year warranty: five years tank warranty and five years pro rata and 1 year warranty on all other components for domestic installations. Commercial applications attract a 1 year tank warranty.The filter cartridge is easily cleaned by hosing the pleats with a standard garden hose.