FILTER PAPER - Whatm10an Grade No. 4 15cm Qualitative, Coarse Retention
Coarse retention and fast flow rate. Particle retention 20 - 25µm. Useful as a rapid filter with excellent retention of coarse particles and gelatinous precipitates. FILTER PAPER - Whatman Grade No. 4, Qualitative, Coarse Retention 15cm |
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