Pura Smart Home Fragrance Device Starter Set - Pura 4 - Scent Diffuser for Home - Includes Fragrance Aroma Diffuser - Square Box, Pacific Aqua and Linens & Surf Scent Refills Home Fragrances: This starter set includes Fragrance Aroma Diffuser Plus with the diffuser refill scents Pacific Aqua & Linens & Surf scents Personalized Scent Experience: Utilizing Puralast technology, our diffuser adapts to your preferences, providing long-lasting and customized fragrance Intensity from each smart fragrance vial Consistent Aroma Delivery: With Adaptive Diffusion Technology, the diffuser adjusts scent dispersion based on room temperature, ensuring a reliable and even scenting experience Captivating Atmosphere: Immerse yourself in a refreshing aroma encounter as the Pura 4 transforms your surroundings, creating an inviting aura that resonates with sophistication