GORGECRAFT 50Pcs Synthetic Filter Discs 90 MM Laboratory Quantitative Ashless Filter Paper Medium Speed Wide Mouth Size Funnel Filters Paper for a Buchner Funnel, Mushroom Cultivation June_2023_update remove the bracket

remove the bracket

so you can listen to your surroundings with the other ear

convenient to take or put things - It's a nice backpack for different ages students in daily life

No Special Smelling

Nut Thickness: 12mm

GORGECRAFT 50Pcs Synthetic Filter Discs 90 MM Laboratory Quantitative Ashless Filter Paper Medium Speed Wide Mouth Size Funnel Filters Paper for a Buchner Funnel, Mushroom Cultivation June_2023_update remove the bracketGORGECRAFT 50Pcs Synthetic Filter Discs 90 MM Laboratory Quantitative Ashless Filter Paper Medium Speed Wide Mouth Size Funnel Filters Paper for a Buchner Funnel, Mushroom Cultivation Product Specification: Material: Fibre Size: Synthetic filter paper stickers are approximately 1. 18in 90mm in diameter and 0. 04in 0. 1mm thick. Unique Design: 1. You will receive 50 pieces of white, round, quantitative filter paper in a wide mouth size, a quantity