STI-1200A SKU STI-1200A-2658 Stopper II w/Horn ''A'' Bkbx, Plate & Special Gaskets Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Protective polycarbonate coverHelps stop false alarmsFor wash down areasBack box rated to NEMA 3R StandardsUL/cUL Listed, ADA Compliant3 yr guarantee, 1 yr on electronics