Replacement 3 Filters Set for NF.Fume and 2uul fume extractor

Replacement Filters (set of 3)  for NF.Fume, 2UUL or similar sized fume extractors. The package includes 3 filters as follows:

1. Top High density Filter used to catch big particles,
2. Middle HEPA filter to purify microscope particles such as dust, pollen, mold, bacteria, and any airborne particles
3. Bottom Carbon Filter which is responsible for trapping odors