water knockout drum 1. good quality 2. competitive price 3. fast shipping 4. best water knockout drum water knockout drum1" and 1/4" brass manifold with outlets 3/4"X18 with manual thermostatic screw and flow rate gauge complete with angle ball valves, pipe union and thermometer holder, air vent valves.WAYS1"1 1/4"Pcs220135XF0604220136XF080423320135XF06043