MATSUMI 17" x 11" JAPANESE MATTING JAP MAT QUALITY FISH POND FILTER MEDIA UV KOI
BLUE MATSUMI FILTER MATTING. 1x Matsumi Japanese Matting 17” x 11”. 2x Matsumi Japanese Matting 17” x 11”. 3x Matsumi Japanese Matting 17” x 11”. 6x Matsumi Japanese Matting 17” x 11”. This filter matting is 2” thick.