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128 Pieces Synthetic Filter Paper Stickers 20 mm 0.3 μm Filter Disc Mushroom Applied Under Wide Mouth Jar Lid for Mushroom Cultivation
Outstanding feature  these synthetic filter paper feature outstanding heat resistance and pressure resistance, which can be applied to your autoclaves How to use  these disc filters can be attached to the hole of wide mouth canning jar lids and you need to clean and dry the surface before sticking synthetic filter paper Size information  these mushroom disc filter are approx. in 20 mm diameter and can filter 0.3 μm object Breathable material  these filter sticker can ensure the circulation of internal air and external fresh air, indispensable items for your mushroom cultivation Package include  different quantity sets of mushroom filter disc for you to choose, please check the quantity information carefully

Price is $12.00
Price: $11.99