UDOR Manifold Plug for ZETA-120 Diaphragm Pump
This item is highlighted on the product illustration on the far left, REF # 2284.
This is a replacement manifold plug that goes with UDOR ZETA-120, low pressure diaphragm pump. It's UDOR part # 1603.36.
Please note, 2 of these plugs are required for this pump.