The Glow-worm case side seal part is listed as part of the casing section. The casing is the external casing of your heating unit. The casing will differ depending on the model in question. The various casing models have evolved dramatically over the years as the suppliers strive to make them as user-friendly as possible.
White colour
Fits various Glow-worm appliances
Technical specification
Manufacturer Model NoS212311Brand NameGlow-wormCompatible WithMICRON 30 FF, MICRON 40 FF, MICRON 50 FF and MICRON 60 FF