Not for use in applications operating continually above 10 torr. Not recommended for filtration, aspiration, or drying electrophoresis gels. Dry ice trap is recommended for use with vacuum ovens and concentrators. NOTE: Explosion-Proof pumps are for use in potentially explosive atmosphere installations. In item descriptions, "Explosion-Proof" is not synonymous with "Bullet-Proof." Explosion-Proof models have specialized motor construction to prevent sparks that could ignite a potentially explosive room atmosphere. Explosion-Proof models must be hard-wired by an electrician (no power cord is provided).