This contract is for the purchase of sensor faucets and recirculation valves for Spokane Public Schools. The contract was awarded to the vendor with the lowest bid, which is not explicitly stated in the document. The bid tabulation table lists the prices submitted by each vendor, with Keller Supply having the lowest total bid. The contract includes four items: faucets, 4" deck plates, and two types of recirculation valves. The prices for each item vary among the vendors.