013971 Detector, Heat, Rate Compensated, 600 deg.F, Vert. (Qty. discount 50+) ← Previous 013971 Detector, Heat, Rate Compensated, 600 deg.F, Vert. (Qty. discount 50+)013971 Detector, Heat, Rate Compensated, 600 deg.F, Vert. (Qty. discount 50+)