2 Pieces 64PCS 20mm Synthetic Filter Paper Stickers Filter Disc Mushroom Filter Disc Mushroom Applied Under Wide Mouth Jar Lid for Mushroom Cultivation Mercer Industries You'll see and feel the

You'll see and feel the quality

8 inches to 27

making it compatible with most 4

Easy to install on any surface without permanent breakages

2 Pieces 64PCS 20mm Synthetic Filter Paper Stickers Filter Disc Mushroom Filter Disc Mushroom Applied Under Wide Mouth Jar Lid for Mushroom Cultivation Mercer Industries You'll see and feel theAbout this item The package includes 20mm 64PCS (2 pieces) of synthetic filter paper stickers. Please carefully check the quantity information before buying. Sufficient quantity is for your daily use. With their help, your mushrooms can thrive. Synthetic filter paper is approximately 20 mm in diameter and can filter objects up to 0. 3 ?? m. It is installed on the hole of the wide mouth can cover. You need to clean and dry the surface before pasting