Nispira Collapsible True HEPA Particle Activated Charcoal Filter Replacement suitable with Blueair Blue Pure 121 Large Air Purifier 620 SQ.FT | Remove Smoke VOCs | 2 Pack

superior meets or exceeds leading national brand. 100% customer satisfaction guaranteed. Suggested to replace every 6 months for best performance. Expanded dimension: 11.6" x 11.6" x 19.37". Flat dimension: 19.37" x 20.25"x 3". Activated charcoal filter helps deodorize any unfavorable household smell and removes chemical VOCs 2 Filter included. Nispira premium filter set appropriate with Blueair Blue Pure 121 Large Air Purifier for 620 SQ.FT High superior HEPA filter captures 99.97% of airborne particles size down to 0.3 microns