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

Fits: EF-509 (4369)

Fits Model:
EF-509D-1AV
EF-509D-5AV
EF-509D-7AV
EF-509L-1AV
EF-509L-7AV
EF-509SG-1AV
MPN: 10230389