The Apothecary Products Calibrated Dropper Assembly Cap is a precision medical-grade glass dropper designed for accurate liquid dosing. Featuring a graduated glass pipette with clear markings, this 20-400 thread dropper cap ensures exact measurements for tinctures, essential oils, and liquid medications. The chemical-resistant rubber bulb and secure-fit cap provide a leak-proof seal, making it the perfect replacement dropper for 1 oz Boston Round bottles. Ensure dosage accuracy and pharmaceutical integrity with this professional calibrated dispensing closure.
