FNW 6" CAST IRON WATER STYLE DOUBLE DOOR CHECK VALVE NEW #FNW682U WAFER STYLE NON SLAM SPRING ACTUATED CHECK FOR WATER, CLEAR FLUIDS DRIPTIGHT RESILENT SEAT EPOXY COATED BODY 200 PSI NON SHOCK TEMPERATURE RANGE -4 DEG F TO 176 DEG F WE SHIP TO THE LOWER 48 STATES