Premium Stainless Steel Locket Interior Accessories with essential oil diffuser function for cars. High-grade 304 stainless steel construction ensures durability and corrosion resistance. Precision laser engraving delivers flawless decorative patterns. Refillable design allows customization with preferred essential oils or perfumes. Compact size (exact dimensions) fits discreetly on air vents without obstructing airflow. Ideal for car owners seeking elegant air purification solutions. Combines aromatherapy benefits with sleek automotive decor. Easy snap-on installation requires no tools or adhesives. Maintains fragrance for 15-30 days per refill depending on oil concentration. Matte finish prevents fingerprint smudges. Suitable for sedan, SUV, or truck interiors. Wholesale packaging available for bulk orders.