Henco plastic press fittings: the best solution, including for surface-mounted installations.
15PKW White plastic straight couplers:

Solutions
Building installations
Industry
Utility
Shipbuilding
Applications
Potable water
Heating
Cooling
Compressed air
Demi Water
Sanitary
| Article number | Diameter | Length | Colours | ||
|---|---|---|---|---|---|
15PKW-1616 | 16x16 | 73.5mm | White | Specifications | |
15PKW-2020 | 20x20 | 75.5mm | White | Specifications | |
15PKW-2626 | 26x26 | 80mm | White | Specifications | |
15PKW-3232 | 32x32 | 102mm | White | Specifications | |