CAN FILTERS 9000 w/Pre-FilterControl volatile organic compounds, gaseous contaminants, and odors in your grow space with CAN FILTERS 9000. Each filter is made using pelletized virgin activated Australian granulated carbon. These filters come with amazing features such as a twist lock mount for quick installation, plastic housing for durability, bayonet style allows use with bayonet filters, etc. Specifications: SKU Model: DL CN358510B Brand: CAN FILTERS Pre filter: Yes CFM