John Blue Diaphragm Piston for DP-139 Diaphragm Pump
This item is highlighted as #5 on the product illustration in the center.
This diaphragm piston is part # DP-23001131 and goes with John Blue's DP-139 diaphragm pump.
This item is highlighted as #5 on the product illustration in the center.
This diaphragm piston is part # DP-23001131 and goes with John Blue's DP-139 diaphragm pump.