Thank you for shopping with Vermont Industrial Supply.You are purchasing a Beckman DU 530 Spare Board - Hach FS48033-00A, B99061277, ASSY48034-00 Button Pad interface. This item is used and untested. No obvious cosmetic damage, all buttons "click". Please review all of the available images carefully before making your purchase. Rush shipping is available. 

CN 8V55299