Packing O-Ring for back side.
Colour: Black
Material: Rubber

Fits Series:

ERA-200 (5303)
ERA-300 (5366)

Fits Model:
ERA-200DB-1A9
ERA-200DC-1A2
ERA-300B-1A
ERA-300DB-1A
ERA-300DB-1A2
ERA-300RB-1A

MPN: 10477282