1) Filtering Apparatus Witt's , Complete with flanged jar, flanged lid, funnel and 250 ml. Beaker.

2) Filtering Apparatus, Complete with Filtering Flask, gooch crucible with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4 , glass adapter and rubber cone.

3) Filtering Apparatus, Complete with Filter Flask, with Socket and buchner funnel with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4 , having cone.

4) Crucible, , Gooch type with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4.

5) Buchner Funner, with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4, plain stem.

6) Buchner Funner, with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4, cone at stem.

7) Millipore Type, Membrane Filter Holder Assembly, with membrance support, Funnel, Flask and Clamp, Standred Joint Fitting.

8) Millipore Type, Membrane Filter Holder Assembly, with membrance support, Funnel, Flask and Clamp, Neoperene Rubber Cork Fitting.

9) Tube Sealed, with reduced ends, with Sintered Disc (Pipe line filter) Porosity G-0 or G-1 or G-2 or G-4.

10) Conical Filter, (Hirsch type) with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4.

11) Sintered Glass Filter Tube, with Sintered Disc sealed in Centre, Porosity G-0 or G-1 or G-2 or G-3 or G-4.

12) Sintered Glass Gas Distribution Tube, (Filter Stick) Porosity G-0 or G-1 or G-2 or G-3 or G-4.