The Conductive Black Polypropylene Cassette Housings are manufactured using a carbon filled polypropylene.
| Model No. | Diameter (mm) | Type | Style | Qty / box |
| CHPP237-50 | 37 | 2-Piece | Standard Style Conductive PP | 50 |
| CHPP337-50 | 37 | 3-Piece | Standard Style Conductive PP | 50 |
| CHPP437-50 | 37 | 4-Piece | Standard Style Conductive PP | 50 |
| CHPP247-25 | 47 | 2-Piece | Standard Style Conductive PP | 25 |
| CHPP347-25 | 47 | 3-Piece | Standard Style Conductive PP | 25 |
| ACHPP225-50 | 25 | 2-Piece | Asbestos Style Conductive PP | 50 |
| ACHPP325-50 | 25 | 3-Piece | Asbestos Style Conductive PP | 50 |
| ACHPPL325-50 | 25 | 3-Piece | Asbestos Style with 50mm Cowl & extra Lip, conductive PP | 50 |
