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Parafluorofentanyl

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Also known as pff, 4-fluorofentanylTS

Rare, little known and extremely potent analogue of Fentanyl developed by Janssen Pharmaceutica in the 1960s. Use with extreme caution and never mix with other depressants.TS

Insufflated

Route dataTripSit

ThresholdLightCommonStrongHeavy
10–25 µg25–40 µg40–65 µg—+
065 µg
LightCommonStrongHeavy

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.