Nispira Maifan Mineral Stones Replacement Filter for Zen Gravity Water Filter Systems smoke filter 97 Percent of large airborne

97 Percent of large airborne particles and allergens like pollen

Filter is easy to install and designed for a perfect fit

Designed for use with Blueair Blue Pure 311i Max air purifier models

Compared to Part TF60

Nispira Maifan Mineral Stones Replacement Filter for Zen Gravity Water Filter Systems smoke filter 97 Percent of large airborneDesigned to support routine countertop gravity water filtration system maintenance in compatible Zen style filtration systems. Product Overview Maintain dependable performance in your countertop gravity filtration system with the Nispira Maifan Mineral Stones Replacement Filter, designed for compatibility with Zen gravity water filter systems and similar units. These mineral stones are designed for routine filtration system maintenance and long