REF651039. Color: black. Component family: fan filter cartridge. Configuration: For 40 mm fan. External thickness [mm]: 3mm. Manufacturer's product group: -. Material: Polyurethane. Max temperature: -.. Outer length [mm]: 37mm. Outer width [mm]: 37mm. RoHS: yes. Quantity in stock updated on 12/11/2025, 21:48