Red Sheet, Neoprene, Diaphragm, Pure Gum, Buna N (White or Black),
Cloth-Inserted, Viton, Butyl, Hypalon, Silicone, Closed Cell
or Open Cell Sponge, Adhesive Backed material and gaskets,
Paramoid, Cork, Buna N/Cork, Felt, Fiber, and Lead
Buna, Teflon, Viton, Kal-Rez and Silicone TFE Encapsulated