Synthetic Filter Paper Stickers 0.3 mm 84 mm Filter Disc Wide Mouth Paper Stickers Disc Adhesive Patch for Mushroom Cultivation Wide Mouth Jar Lids Mason Jars(20 Pieces)

Features

• Nice Heat and Pressure Resistance: synthetic filter disc has reliable heat and pressure resistance for use in your autoclave; Each paper contains adhesive on the back for easy attachment to the cup
• How to Use: 0.3 μm filter patch sticker can be glued to the holes of the jar lid; Please note that the adhesive surface of the synthetic filter tray is facing the lid, remember to press it down before use to ensure that it sticks to the wide mouth lid before closing the cap
• Reliable Filtration Rate: filter paper disc is about 84 mm/ 3.31 inches in diameter, made of EPTFE, reliable for you to use for a long time, a nice filtration rate, can filter 0.3 µm items, and you will be satisfied; And the size of adhesive is approx. 0.5 cm/ 0.2 inch
• 20 Pieces for Your Daily Use: you will receive 20 pieces of filter paper stickers containing adhesive on the back in the package; Sufficient quantity can meet your daily use needs, replacement needs and sharing needs, giving you a nice shopping experience
• Where to Apply: synthetic filter paper stickers are widely applied by some mushroom producers and home growers, and they are also suitable for wide mouth canning lids, autoclaves, steam sterilizers, and so on