MB-16 Remote Reader Polyethylene Water Meter Box Approximate Measurements 15" x 10" x 12" and tapers to 19 1/2" x 14" x 12" The new MB-16 water meter box is designed for a 5/8" to 3/4" meter set. It was developed as a replacement for the heavy concrete box (Brooks 36H). The MB16 is versatile and strong. The dimensions of the box are 15" x 10" x 12" and tapers to 19 1/2" x 14" x 12". Pictured right is the MB16 hinged reader lid. The MB16 remote reader lid can be used with either a Neptune RS900 or a touch pad reader system. All boxes and lids interchange with Brooks and CDR boxes and lids. All lids are 1 3/4" thick.