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The Nitrous Express 8AN female x 4AN male fill fitting is a pipe adaptor intended to join an 8AN female inlet to a 4AN male outlet. Presented as a direct female-to-male connector, it serves as a fill or transition fitting in AN plumbing systems where a reduction from 8AN to 4AN is required for routing or component interfacing.
Nitrous Express 8AN Female x 4AN Male (DF-A4425 Fill Fitting)
