All SureSeal Cassettes are vacuum leak tested and considered leak-free if there is < 1 inch Hg decay per 30 seconds when 24 inches Hg vacuum is applied and if there is < 1 psi decay per 30 seconds when 5 psi pressure is applied. SureSeal Cassettes require the use of a SureSeal Cassette Opener
25-mm Filter Cassettes |
| Description | Cat. No. | Qty. |
| 2 piece, standard; styrene, clear | | 50 |
| 100 |
 | 3 piece, standard; styrene, clear | | 50 |
| 100 |
 | Middle ring only; styrene, clear, 1/2-inch | | 50 |
 | 3 piece, goblet style; polypropylene, opaque white; solvent-resistant. Compatible with most solvents; see the Cassette/Filter Solvent Compatibility Chart | | 50 |
 | 2 piece, goblet; polypropylene, conductive black | | 50 |
 | 3 piece, 2-inch middle cowl; polypropylene, conductive black | | 50 |
 | 3 piece, 1/2-inch middle ring; polypropylene, conductive black | | 50 |
37-mm Filter Cassettes |
| Description | Cat. No. | Qty. |
 | 2 piece, standard; styrene, clear | | 10 |
| 50 |
| 250 |
 | 3 piece, standard; styrene, clear | | 10 |
| 50 |
| 250 |
 | Middle ring only;styrene, clear, 1/2-inch | | 50 |
 | 2 piece, standard; styrene, opaque brown | | 50 |
 | 3 piece, standard; styrene, opaque brown | | 50 |
 | 2 piece, standard; polypropylene, opaque white; solvent-resistant. Compatible with most solvents; see the Cassette/Filter Solvent Compatibility Chart | | 50 |
 | 3 piece, standard; polypropylene, opaque white; solvent-resistant. Compatible with most solvents; see the Cassette/Filter Solvent Compatibility Chart | | 10 |
| 50 |
 | 2 piece, standard; polypropylene, conductive black | | 50 |
 | 3 piece, standard; polypropylene, conductive black Static free – ideal for cyclones! | | 50 |
47-mm Filter Cassettes |
| Description | Cat. No. | Qty. |
 | 2 piece, standard; polypropylene, conductive black | | 16 |
 | 3 piece, standard; polypropylene, conductive black | | 16 |