Our oil diffusers use cold-air diffusion (no heat, no water) to fill up to 3,000 sq. ft. with clean, powerful fragrance. Safe, mess-free, and whisper-quiet. KEY FEATURES Coverage: Covers up to 3,000 sq. ft, perfect for large homes, restaurants, wellness centers, open offices, and commercial environments. Technology: Utilizes Cold Air Diffusion—a waterless, heat-free method that atomizes essential oils into dry nanoparticles for clean, even scenting and full aromatic integrity. Connection: Bluetooth app control, 24/7 customizable scheduling, and a multi‐speed fan ensure tailored diffusion. Design: A modern, space-saving diffuser built for HVAC integration or stand-alone use. Blends discreetly into any environment while delivering powerful, whole-space scenting. HVAC Compatibility: Seamlessly connects to standard HVAC systems or operates as a stand-alone diffuser with optional wall-mount capability. Delivers centralized, uniform fragrance with no mess or maintenance. Dimensions: 8 inches long, 10 inches high, and 7 inches wide. What’s included: ARO-PRO Diffuser Unit, an 800 ml internal refillable bottle, HVAC connection accessories, a wall-mounting kit, a power adapter, and a user manual. Safety: Pet-safe and kid-friendly, with no residue.