Material: Rubber
| BSPP Size | Outside diameter | Inside diameter | Thickness | Store Link |
| ¾ inch | 27 mm | 18 mm | 2 mm | Online Shop |
| 1 inch | 33 mm | 20 mm | 3 mm | Out of Stock |
| 1½ inch | 48 mm | 39 mm | 3 mm | Online Shop |
| 2 inch | 60 mm | 47 mm | 3 mm | Online Shop |
| 2½ inch | 76 mm | 66 mm | 3 mm | Online Shop |
| 3 inch | 88 mm | 76 mm | 3 mm | Online Shop |
| 4 inch | 113 mm | 102 mm | 3 mm | Online Shop |
| 5 inch | 140 mm | 122 mm | 4 mm | Online Shop |
| 6 inch | 165 mm | 140 mm | 4 mm | Online Shop |