FK Series Cabinet Ventilation Fan Filter FK33 Series Cabinet Ventilation Fan Filter Features:1) Fan types: 3321.100, 3322.100, 3323.100, 3325.100, 3326.1002) Filter types: 3321.200, 3322.200, 3323.200, 3325.200, 3326.2003) Suitable for decreasing high temperature4) The ambient temperature should be lower than cabinet inner temperature FK3321Fand Filter Type FK3321.1003321.1153321.024Working ...