Product Compatibility The Dry-Brik desiccant is compatible with all of the Dry & Store models.;Composition The Dry-Brik desiccant is a powerful proprietary molecular sieve, which is a much more aggressive desiccant than silica gel. Moreover, mol sieve (pronounced MOL SIV) is better suited for the operating temperature of Dry & Store. Silica gel doesn't work as well as mol sieve at our operating temperatures.;Contains a more aggressive sorbent with much greater moisture-adsorbing capacity;Offer includes 9 individual Dry Brik II Desiccant Blocks.;Physical Characteristics Weight: 0.8 oz each (22.8 g) Size: 1.625 wide x 3 deep x .625 high (4.1 cm x 7.6 cm x 1.6 cm)