Price history on Walmart.com for
Cytiva Whatman Qual Filter 7 cm Dia 20 mic Min PK100 1004-070
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Qualitative Filter Paper Diameter 7 cm Material Cellulose Porosity Medium Minimum Pore Size 20 micron Maximum Pore Size 25 micron Thickness 0.21 mm Fluted No Grade 4 For Use With Liquids Overall Length Not Applicable Overall Width Not Applicable Shape Disc Package Quantity 100
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