Comparison : Item # 2563KP, 15" Display X-Purge Class I, Division 1 Hazardous Area Monitor with 28-Key Keypad
Item # 2566KP, 19" Display X-Purge Class I, Division 1 Hazardous Area Monitor with 28-Key Keypad
Item # 2569KP, 21.5" Display X-Purge Class I, Division 1 Hazardous Area Monitor with 28-Key Keypad
Item # 2663, 15" Display X-Purge Class I, Division 1 Hazardous Area Monitor with 28-Key Keypad
Item # 2666, 19" Display X-Purge Class I, Division 1 Hazardous Area Monitor