Specifications include, but are not limited to: The fire department intends to purchase 39 gas monitoring meters and associated accessories, as described below, for use by the hazmat team. The department already owns meters manufactured by Industrial Scientific Corporation and the necessary calibration equipment. The department’s policy is to keep such equipment standardized, for ease of use, maintenance, and training. For these reasons, substitution of other brands or models will not be allowed. The MX6 meters, including cases and internal electronics, will be covered by a lifetime warranty. Batteries, all sensors, and pumps will be covered by a warranty of at least 2 years. The Ventis Pro 5 meters, including cases and internal electronics, will be covered by a lifetime warranty. Batteries, all sensors, and pumps will be covered by a warranty of at least 2 years.