Federal Signal 350 120 30 Vibratone Horn 120V AC, Indoor, Flush or Semi Flush Walls Panels Surface, 4 in Ht, 4 in Wd 31500035407000 CC Vertical Standards API 598 and Vertical Standards API 598 and FM Approval Mechanism and Body Design Inline Double Disc Seal Material Buna N Sub Category Iron Spring Material Check Valves Stainless Steel Seal Material Check Valves Buna N Item Double Disc Check Valve Flow Design Single Body Material Valves Cast Iron Full Flow Valves Yes Material of Construction cast iron Max 6 lb Compatible with Brand Ridgid Product Type Tubing Cutter Ratchet Handle Compatible Product Type Tubing Cutter Quantity 1 Width 4 in CSA 00583X