Article list of assortment: Whatman - First letter: O
| Art. No. | Description |
| 260222301 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,13mm 100/pk |
| 260222305 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,25mm 100/pk |
| 260222310 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,47mm 100/pk |
| 260222312 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,50mm 100/pk |
| 10404026 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,110mm 50/pk |
| 260222321 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,142mm 25/pk |
| 10404044 | OE67 Membrane Circles, Cellulose acetate, 0,45µm,85mm 50/pk |
| 260222205 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,25mm 100/pk |
| 260222210 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,47mm 100/pk |
| 260222212 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,50mm 100/pk |
| 260204126 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,110mm 50/pk |
| 260222221 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,142mm 25/pk |
| 260222224 | OE66 Membrane Circles, Cellulose acetate, 0,2µm,293mm 25/pk |
| 10404180 | OE66 Membrane Sheets, Cellulose acetate, 0,2µm,300 x 600mm 5/pk |
