Badger Metering System Brass in-Line Water Meter. Model: Meter comes with top mount readout. For use in measurement of potable cold water in residential, commercial and industrial services where flow is one direction only. Inlets/Outlets: (2) 3 in. dia. flanged ports. Flange dia.: 7-1/4 in. Mounting holes: (4) 1 in. dia. Holes ctr. to Ctr. Adjacent distance: 4-3/8 in. Holes ctr. to Ctr. opposite distance: 6 in. Overall dimensions: 2 ft. 1/4 in. L x 8-1/4 in. W x 1 ft. 1/2 in. H.