"WardsSci000518"

Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.

Qualitative Filter Paper is available in three standard grades.

The external ribbing on this funnel prevents air lock.

With iron clamp for support rods of any size to ⁵/₈". The four holes are beveled and slotted and are spaced at 4¹/₂" center distance.

For filtering out fine precipitates when filter papers are unsuitable.