3 1/2 ID X 3 3/4 OD X 1/8 Buna-70 O-Ring
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3 1/2 ID X 3 3/4 OD X 1/8 Buna-70 O-Ring

3 1/2 ID X 3 3/4 OD X 1/8 Buna-70 O-Ring