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![Photo 1 of [Lab-Biosafety Level] H14 Fan Filter Unit Filters, Vabiooth FFU HEPA Laminar-Flow-Hood Filters for Class 100/ISO 5 Cleanliness Clean Room Mycology and Mushroom Room Work 22.6" x 22.6" (HEPA Filter)](https://images-na.ssl-images-amazon.com/images/I/81YgeXST5XL.jpg)
![Photo 2 of [Lab-Biosafety Level] H14 Fan Filter Unit Filters, Vabiooth FFU HEPA Laminar-Flow-Hood Filters for Class 100/ISO 5 Cleanliness Clean Room Mycology and Mushroom Room Work 22.6" x 22.6" (HEPA Filter)](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1048101649%2FFMsGL7LHa9ehfu-6CmlHr.jpeg?alt=media&token=33099dfa-77a9-49b2-b413-f639536bb4f0)