FILTER PAPER CIRCLES WHATMAN GRADE NO.44 18.5CM DIA BOX 100 Plastic Desiccators Polygram®Polyester backed with 250µm layer

Polygram®Polyester backed with 250µm layer

Frosted write-on areas on the container and cap provide convenient sample identification

programmable litres/minute    30

High specification model for reliable and efficient bacterial colony counting on nutrient agar in petri dishes

FILTER PAPER CIRCLES WHATMAN GRADE NO.44 18.5CM DIA BOX 100 Plastic Desiccators Polygram®Polyester backed with 250µm layerQuantitative Grade, Ashless Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 44 Thin version of No. 42 Slow 3 Low* 0. 17 0. 01 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.