Premium Japanese Filter Mat for Koi & Pond Filters — 12" x 12" x 1.5", 6-Pack

Upgraded, thicker construction for superior pond filtration — 1.5" thick. This premium Japanese filter pad serves as top-tier biological media and is considered the best biological media available. The pads are very firm and rigid, designed to sink and hold their shape during use. Built for long-lasting performance and never need to replace. Dimensions: 12" x 12" x 1.5"; Package includes: 6 x Japanese filter pad (12"x12").