Desiccant Cartridge Bel-Art™ SP Scienceware™ 3.93 Inch dia., Reuseable/Disposable

Clear polystyrene dish allows instant visual inspection of silica gel, which changes color from blue to pale pink as it absorbs moisture

Highly porous membrane covers the dish, providing excellent moisture absorption

Desiccant can be easily regenerated by heating cartridges in a 50°C (122°F) oven overnight

For more rapid drying, cut the membrane, transfer the spent gel crystals into a glass or porcelain dish and place in a 150°C (300°F) oven for one hour

Individually foil sealed

Fits "space saver" desiccator, in addition to other plastic desiccators of similar size