The Contractor must provide the following: Contractor must provide PBTs, PBT mouthpieces, magnetic & non-magnetic rubber grips for PBTs, PBT calibration machines/docking stations, dry gas regulators, regulator o-rings and nipples, and Re-Certification and Repair services as specified in Schedule A – Attachment 1 - Specifications; delivery in the time frames specified in Section 2.1; and otherwise do all things necessary for or incident to the performance of work as set forth in this RFP document. The Preliminary Breath Testers must appear on the "Conforming Products List of Evidential Breath Measurement Devices" published in the Federal Register by the USDOT or a letter from the USDOT confirming acceptability of the instrument are both considered as acceptable documentation of approval by USDOT. Bids on alternate brand or manufacturer lines will not be considered.