LARGE Adherable Lid Filters For Plant & Mushroom Tissue Culture (28mm)

These larger diameter lid filters can be applied to jar lids or tissue culture containers to allow your culture to breathe while protecting it from contaminant spores and bacteria. Great for projects that require more air exchange or covering a wider hole size. 

• 0.3 micron filtration efficiency
  
• 28mm diameter (1.15 inches)
  
• Manufactured with strong 3M adhesive
  
• Time-saving lightning fast application
  
• Hydrophobic & Oleophobic
  
• Made from 100% recycled material
  
• 21 per sheet
• Fully autoclavable, high-temperature resistance
  

Unlike the re-purposed filters sold everywhere else, these have a unique proprietary micron layer applied that does not break down from steam and resists moisture saturation and breaths far better than cheaper alternatives