Grodan Stone Wool Gro-Slabs Expert Slab 20/75 8 x 3 x 36 Single Slab Perlite 75% and 84% if the
Yard notes & kiln story
Description
Grodan Stone Wool Gro Slabs Expert Slab 20 75 8 x 3 x 36 Single Slab Perlite 75% and 84% if the 75% and 84% if the application needs more moisture The diffused polycarbonate lens and ABS housing protect the fixture from humidity and dust