2 Pack HEPA Filter 99.5 (H11) (17.7 x11.4 ) Replacement for Laminar Flow Hood Mycology

  
2 x laminar flow hood with hepa (h11) - removes 99.5-percent of particles as small as 0.3 microns and greater from the air. Eachfilter dimensions: 45cm (h) x 29cm (w) x 2.7cm (d).