Each sterile filter is individually wrapped. The filters seem to capture germs adequately and we have had no issues with the filter not picking up the growing medium properly. The grid lines are clearly visible, so colony counts are not a problem.
Port Authority Reusable ποΈ White Cover: Exceptional Style and Durability
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π¬ Sterile Hydrophilic Membrane Filter: Optimal Diameter for Enhanced Filtration Efficiency
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NANPU Air Drying System With Double Filters And Pressure Regulator Combo For Clean And Controlled Air Supply
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π§ NANPU 1/2" NPT Compressed Air Filter Regulator Combo Piggyback with Auto Drain, 5 Micron Brass Element, Poly Bowl, Metal Bracket, and 0-150 psi Gauge
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Filter under the sink Aquaphor Favorit ECO silver
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