Features: 1Brand new and high quality filter replacement with good filtration effects. 2Effectively captures allergens small particles and eliminates dust dust mites pollen spores most bacteria etc. 3Adopts high quality material sturdy durable and reusable. 4Filter out dust and reduce the damage of dust on the sensitive parts of the machine. 5Easy to install and detach no tools needed. Specification: Features: Brand new and high quality filter replacement with good filtration effects. Effectively captures allergens small particles and eliminates dust dust mites pollen spores most bacteria etc. Adopts high quality material sturdy durable and reusable. Filter out dust and reduce the damage of dust on the sensitive parts of the machine. Easy to install and detach no tools needed. It's recommended to replace the filter every two or three months so as to lengthen the air cleaner lifespan. ForWinix 115115 compatibly with 5300 6300 5300-2 6300-2 P300 C535 air cleaner Specification:Condition: 100% Brand New Main Material: Activated carbon cotton Color: As Picture Shown Effective range: 51-100 Size of filter: Approx. 41.3*32*3.2cm / 16.26*12.59*1.26 inch Size of filter cotton: Approx. 40.5*32cm / 15.94*12.59 inch Fitment: ForWinix 115115 compatibly with 5300 6300 5300-2 6300-2 P300 C535 air cleaner Package List: 1 * Replacement filter 4 * Activated carbon cotton