Spare: Stainless steel with a perforated disc and plunger. ...
Designed for the determination of fineness to EN 196-6, BS 4359-2, ASTM C204 Supplied complete with stainless stell cell perforated disc and plunger Manometer U-Tube Aspirator bottle of Manometer liquid (pure mineral 1 litre) and a box of filter papers ...