Used for about two months, washed with water, and then stored dry. Please note that this item will be shipped without the original packaging. Weight: 223g / 2 pieces Set includes: Fans x 2 Fan cable x 1 (unused) Fan filters x 2 Instruction manual/Warranty x 1 Compatible models: IC01, AC09, AC08, AC360, AC300 *Dedicated to IC01, AC09, AC08, AC360, and AC300 batteries. *Cannot be used with batteries prior to AC260 and AC180 fan cables. Airflow: 24V: 105ℓ/second *1 18V: 77ℓ/second *2 13V: 56ℓ/second 8V: 36ℓ/second *1 The 24V voltage (airflow) automatically switches to 18V after 1 hour of use and operates at an average of 68ℓ/second. *2 The 18V voltage (airflow) automatically adjusts the airflow after 2 hours of use and operates at an average of 68ℓ/second. *Airflow values are measured according to our standards. Please use them as a guideline during use.