This 10 Inch Replacement Non-Woven Filter fits our 1HP Mid chillers, with a 20-micron filtration rating and dimensions of 10" x 2.75". For optimal performance, monthly replacement is recommended with daily use. In conditions with heavy dirt and debris, bi-weekly cleaning can help maintain effective filtration. This filter ensures dependable protection by capturing fine particles, supporting the longevity and efficiency of your chiller system.