Aquasure fortitude v2 series pleated sediment filter is equipped with a washable, heavy-duty 30-micron. It is a great pre-treatment filter for the whole house. Our fortitude series of whole house water filters with a 20" pleated sediment filter is designed to reduce sand, silt, scale, and rust particles. Rated at 30 microns, this featured pleated sediment filter is reusable and washable while providing a high flow rate and low-pressure drops. Durable & reliable heavy-duty pleated sediment filter is resistant to both bacteria and chemical attacks, making it suitable for a wide variety of residential, commercial, and industrial applications.