This precision-engineered brass diffuser cap features a minimalist cylindrical design with four precisely drilled 1.5mm ventilation holes arranged symmetrically, ensuring optimal fragrance dispersion. Measuring 12mm in diameter, 6mm in height, and with a 2.5mm central mounting post, it is designed for seamless integration into glass or ceramic perfume diffusers. The polished gold-tone finish offers both aesthetic elegance and corrosion resistance, making it suitable for high-end home fragrance systems. Crafted from solid brass, it provides durability and weight stability while maintaining a refined tactile experience. Ideal for modern interior decor, this component enhances diffusion efficiency without compromising visual simplicity. Perfect for daily use in living rooms, bedrooms, or bathrooms where subtle, long-lasting scent diffusion is desired. Its compact size and functional geometry reflect contemporary industrial design principles, appealing to users who value both form and function in home accessories.