MATSUMI 25" x 18" JAPANESE MATTING JAP MAT QUALITY FISH POND FILTER MEDIA UV KOI
BLUE MATSUMI FILTER MATTING. 1x Matsumi Japanese Matting 25” x 18”. 2x Matsumi Japanese Matting 25” x 18”. 3x Matsumi Japanese Matting 25” x 18”. 6x Matsumi Japanese Matting 25” x 18”. This filter matting is 40mm-50mm” thick.