Non-toxic mesh for use in terrariums above the HydroBalls layer to allow proper water drainage which keeps substrates from mixing and contaminating the water/filtration system. Additional Information:Excellent for use with waterfall applications

Non-toxic mesh for use in terrariums above the HydroBalls layer to allow proper water drainage which keeps substrates from mixing and contaminating the water/filtration system. Additional Information:Excellent for use with waterfall applications