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E-Liquid Box Packaging: Smaller cardboard boxes designed to hold a 30ml, 60ml, or 120ml glass or plastic e-liquid bottle. They provide protection from light (which can degrade nicotine and flavor) and offer ample space for branding, ingredient lists, warnings, and government-mandated tax stamps.Adjustable Airflow Disposables: Feature a mechanical dial or slider that allows the user to control the amount of air entering the device. A tighter airflow creates a restrictive, cigarette-like draw (MTL), while a looser airflow allows for a direct-to-lung (DTL) inhale. This customization caters to personal preference and enhances user satisfaction.https://cbu01.alicdn.com/img/ibank/2017/362/258/4127852263_1899996705.220x220xz.jpgTop-Airflow Tanks: Feature airflow intakes located at the top of the tank. This design is a significant innovation as it drastically reduces the chance of leakage. Air is channeled from the top, down past the coil, and up through the chimney. While it can slightly mute flavor compared to bottom airflow, it prioritizes convenience and reliability.Coil Building Kits: Comprehensive kits for advanced users who build their own coils. Typically include a variety of essential tools: ceramic tweezers, coil jigs (for wrapping coils), precision screwdrivers, wire cutters, scissors, and often a spool of wire and bag of cotton.