To complete the process, it is necessary to wrap the fitting with aluminium foil tape & cover that with either petrolatum tape or waterproof tape. This prevents chemicals penetrating plastics and tainting the water.
Available Sizes/Colours| Size | | Colour | | Price | |
| 25 | | Black | | £0.79 | |
| 27.4 | | Black | | £1.17 | |
| 32 | | Black | | £1.08 | |
| 34.5 | | Black | | £1.66 | |
| 63 | | Black | | £2.51 | |
| 65.8 | | Black | | £2.51 | |