B4-81002-2T9-M10
B4-81003-2T9-M12

2 - 20 liter vessel, 10 mm port
2 - 20 liter vessel, 12 mm port

These blind stoppers are designed to plug unused ports into the headplate. The assemblies are fitted into the headplate from the inside of the reactor, leaving only a flat surface inside the reactor. Includes Hex Nut, Washer and Silicone O-ring.

O-ring sizes:
10 mm = 8.5 x 2.5
12 mm = AS-111

The following blind stoppers are available for the 27mm straight bore headplate ports. Includes 27 mm Hex Nut, Washer and AS-121 Silicone O-ring.