Description
Double Convex Lens, 300mm Focal Length, 3" (75mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs sold2026 2 micron filter that will Read more Great Capacity uk B0FMNK2WJP industrial_UK_Aug2026 Size:3 inches x 30 feet 2 micron filter that will allow your growing mycelium spawn to breathe while preventing exposure to room air These handy little grommets are specifically designed to fit into standard wood pegboard 1 4" holes and prevent the hook from pulling out accidentally during usage