Ceeniu Car Fragrance Refill F26/F39 Dedicated | 【Natural Fragrance】Our car air fresheners is made with natural plant extracts and contains natural chlorophyll. It effectively breaks down harmful toxins instead of simply masking unpleasant odors. Additionally, we never use fragrances that contain alcohol or additives, ensuring that pregnant women, children, and seniors can safely use it | 【Usage Time for F26 Car Fresheners】Our car diffuser refill, specially designed for the F26 air freshener car, provides up to two months of continuous use when used for 10 hours per week in high mode. In smart mode, it can last up to four months, and in light mode, it can last up to six months. Please note that our car fresheners for men is not compatible with perfume refills from other brands. Its enduring fragrance means you won't have to replace it frequently, saving you both time and money | 【Usage Time for F39 Car Vent Clip Diffuser】Our 45ml car vent clip refill can be poured into the original 8ml bottle five times, providing a usage life of 4-5 months for the F39 car diffuser. Please note that our car air freshener is not compatible with perfume refills from other brands | 【CAUTIONT】Twist and open the perfume bottle cap and screw the perfume into the car air freshener vertically. Tighten the bottom base and wait for 10 minutes before using it.the product is shrink-wrapped when new