描述
- The best koi fish pond filter media for both mechanical and biological filtration.
- Very firm and rigid. Never need to replace.
- Size available: 20"x 20"x 1.5", or 20"x 10"x 1.5"
- Package includes: 1 piece of Japanese filter mat.
Japanese Filter Mat for Koi Pond Fish Aquarium Filtration (2-Pack (20"x 10"x 1.5"))
