FILTER PAPER CIRCLES WHATMAN GRADE NO.4 7CM DIA BOX 100 Nn Unground Neck Pyrex All plates are 20 x

All plates are 20 x 20cm and can be cut with scissors

Manufactured in autoclavable

pen-style counter with five digit LCD readout  of accumulative count-up and reset

L x W  mm  140 x 140  140 x 140   140 x 140  Overall L x W x H   mm  351 x 260 x 183   351 x 260 x 233    351 x 260 x 358

Ideal for a wide range of liquid storage

FILTER PAPER CIRCLES WHATMAN GRADE NO.4 7CM DIA BOX 100 Nn Unground Neck Pyrex All plates are 20 xQualitative Grade Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 4 Excellent retention of coarse and gelatinous precipitates Fast 20 25 Low* 0. 21 0. 06 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.