"POLYETHYLENE TANKS WILL NOT EMIT WASTE ODORS OR CHANGE THE TASTE OF FRESSH POTABLE WATER. ALL OPENINGS ARE FEMALE NPT (NATIONAL PIPE THREADS) AND ARELOCATED IN THE SAME RELATIVE POSITION ON ONE END OF THE TANK. DIMENSIONS: USA: 54.5"" (L) X 13""(W) X 20""(H) METRIC: 1384.5MM (L) X 330.2MM (W) X 508MM (H)"