12x Wide Mouth Mushroom Liquid Culture Lid,Split-Type Mason Jar Lid with 0.22Um

HIGH TEMPERATURE RESISTANCE: These liquid culture lids have a temperature range of 121°C (250°F) and can be autoclaved and reused. Model : Mushroom Jar Liquid Culture Lid. Color : Sliver. TIGHT LEAK-PROOF SEALING DESIGN: Mason Jar Lids is fitted with a rubber stopper and two PTFE synthetic filter paper patches for easy addition of water and nutrient solution to create better growing conditions.