Kockney Koi YAMITSU Filter Foam Replacement Set 18” x 25” (457mm x 635mm)

The Kockney Koi YAMITSU Filter Foam Replacement Set includes three high-quality foam pieces, each measuring 18” x 25”. Designed to enhance filtration efficiency, this replacement set ensures optimal water clarity and quality by effectively trapping debris and particulate matter. Regularly replacing filter foam can significantly improve aquatic environments for koi and other pond inhabitants.