Adherable Monotub Filters 2.5"

These 2.5" filter discs can be applied to your monotub to give your substrate fresh air while maintaining high humidity levels. These filters are slightly larger than your 2" tub hole and are designed to cover over them sufficiently. You typically use 6 filter discs per monotub. 

•High airflow filters

•Proprietary material that maintains constant humidity levels

•Manufactured with strong 3M adhesive

•Time-saving lightning fast application VS polyfil