FLANGES M-15/M-25 , 3” References Flange Assemblies CATALOG HOMEMETERSLIQUID CONTROLSMETER SYSTEM ACCESSORIESFLANGES FLANGES M-15/M-25 , 3” 4000440FLANGE ASSY, M15 AL/BUNA-3 WELD$259.00 4000441FLANGE ASSY, MA15 STEEL/BUNA - 3 WELD$259.00 4000442FLANGE ASSY, M15 AL/BUNA - 3 NPT$259.00 4000443FLANGE ASSY, MA15 STEEL/BUNA, 3 NPT$259.00