Specifications include, but are not limited to: 3. The vendor shall ship the air filters to each school building with each case labeled with the school name. Council Rock School District will expect delivery of air filters three (3) Ɵmes during the year by carton (each carton to contain 12 air filters of the same size and type unless noted otherwise). NOTE: filter quanƟƟes are indicated as single filters. Invoices will be submiƩed to Council Rock School District, 30 North Chancellor Street, Newtown, PA 18940 based on the unit price. Invoices must be submiƩed by the 25th of each month to be paid following approval by the Board of School Directors at their monthly meeƟng (normally the third Thursday of each month).