Charco Filters Plus 14" x 49" Activated Carbon Air FilterDescription High Airflow Capacity: This product is capable of an impressive airflow of 3800 CFM, ensuring ample circulation. Substantial Filter Height: With a filter height of 49 inches, this product suits a variety of environments. Includes Pre Filter: Each purchase comes with a complementary pre filter, enhancing the efficiency and longevity of the main filter. Exceptional Odor Removing Capability: This Standard Carbon Air Filter eliminates 99. 5%