Danner Mag-Drive Foam Pre-Filter for 9.5, 12 & 18

The Danner Mfg. Foam Pre-Filter is designed specifically for Pondmaster Pumps, providing excellent biological filtration for plant and fish life. Made with a combination of foam and polyester materials, this pre-filter includes carbon-impregnated media for comprehensive chemical and biological filtration. Additionally, it offers mechanical filtration to ensure your pond or aquarium water stays clean and clear for a healthy aquatic environment.