344 Filter Apparatus"PSAW" Complete with Filter flask with socket and buchner funnel wit sintered disc porosity G-1 or G-2 or G-3 or G-4 having cone 344/01 Flasks Cap. 250 ml., Funnel Cap. 80 ml. 344/02 Flasks Cap. 500 ml., Funnel Cap. 200 ml. 344/03 Flasks Cap. 1000 ml., Crucible 500 ml. 344/04 Flasks Cap. 2000 ml., Crucible 1000 ml. (Please mention porosity of disc while placing order)