The Vaporesso FORZ Tank 25 is waterproof, shockproof, and dustproof. It has 4.5ml juice capacity with replaceable coil system. The protective frame ensures a sturdy and durable use of Vaporesso FORZ Tank. The Pull & Push coil replacement brings easiness to the user's operation. The new GTR Coil has long-lasting flavor and excellent e-liquid conductivity.