1.Fit for inline fan and ducting
2.Completely Maitenance Free
3.Filtration Effect:99.7%
4.With Long Life(12-18 Months)

4"Active Carbon Air Filter

Feature:1.Premium carbon insert

              2.With Long Life(12-18 Months)

              3.Completely Maintenance Free

             4.Remove up to 99.7% of all odors

Szie available:  100mm,125mm,150mm,X300mm

                              200mmX40mm

                             150mm,200mm,250mm,315mmX600mm

                              315mm X1000mm