128 Pieces Synthetic Filter Paper Discs For Mushroom Cultivation, 20 mm Diameter, 0.3 mm Thick, Autoclavable And Heat Resistant, Wide Mouth Mason Jar Lids Hole Filters, Easy To Use For Safe, Clean Growth

128-Pack Autoclavable Filter Paper Discs for Mushroom Growth
✔️ 20 mm diameter discs, 0.3 μm filtration, autoclavable

These synthetic filter paper discs are used to cover the holes in wide-mouth mason jar lids, allowing breathable air exchange while protecting growth areas in mushroom cultivation.

✅ 128 pieces per pack
✅ 20 mm diameter
✅ 0.3 μm filtration
✅ Autoclavable and heat resistant
✅ Fits wide mouth mason jar lids
✅ Breathable, enabling air circulation for safe growth

💡 What is a mushroom cultivation filter disc used for and why is it handy?

These discs are handy for keeping growing environments clean while allowing airflow. - handy for maintaining safe air exchange in jar-based mushroom cultivation setups
- compatible with 20 mm hole lids on wide-mouth jars with 0.3 μm filtration
- autoclavable and heat resistant for easy sterilization