Coshar 300pcs 9cm Qualitative Filter Paper, Medium Flow Lab Supply Filter Paper sold2024 Pen- Packing Tape

Pen- Packing Tape

Wear two round hole blades to make straight edge chamfering faster

highly efficient

chip: Original AT MEL T5577 (The best rewritable chip) 4

Coshar 300pcs 9cm Qualitative Filter Paper, Medium Flow Lab Supply Filter Paper sold2024 Pen- Packing TapeCoshar 300pcs 9cm Qualitative Filter Paper, Medium Flow Lab Supply Filter Paper Specifications: Material: pure cotton cellulose Filter paper diamater: 9cm Filtration Speed: 35 37 sec Ash content: 0. 15% Pore size: 15 20 m Package Content: 300 x qualitative filter paper If you have any questions, please feel free to Q&A us or email us, we stand ready to help you at greatest earnest. Product Features Filter paper diamater: 9cm. Filtration Speed: 35 37