Frienda 30 Pieces Synthetic Filter Paper Stickers 0.3 μm Synthetic Filter Disc Wide Mouth Circular Adhesive Filter Patch Sticker for Mushroom Cultivation Wide Mouth Jar Lids Mason

Nice Heat Resistance and Pressure Resistance: these wide mouth filter paper stickers are not only efficient in filtering, but they also exhibit ideal heat and pressure resistance; The stickers are made of quality EPTFE, which can withstand high temperatures up to about 120 degrees Celsius/248 degrees Fahrenheit and ideal pressure levels, safe and reliable, making them the ideal choice for demanding applications Easy Application: the way to use our synthetic mushroom supplies is simple; They have adhesive on the back, so you just need to back the cover, then place the disc over the lid hole, press to make sure it sticks to the wide lid, finally put the lid back on; They are straightforward in application and removal, saving your time and effort; This user friendly feature makes these stickers an essential for people who value easy and quick applications in their products Reliable Filtrati