Hydrologic Big Boy Pleated Cleanable Sediment FilterKeep your water fresh, your equipment in tip top shape, and your grow room at its best. This ultra high capacity cleanable sediment filter removes 90% of sediment. Filter capacity of 25,000 gallons. Once this filter begins to show some wear, refresh it with a gentle cleaning with a brush or hand wash to get through all of the individual pleats, where particles and dirt like to cluster. Why use filters? Prevent dust, dirt, and other particles from