This sealing is most commonly used for the inlet of FXP, FSP pumps or the six-way valve of P350, P400, P450, P500, P650 filtration systems.
It fits into a small collar.
...
PVC insertable adapter - you insert it into the knee/piece/muffle 90mm and put 63mm into the other side
Specifications
Dimensions
Height
50 mm
Inner...
On both sides 1 and 1/4" (5/4") male thread.
For connecting pool accessories such as pool pumps, solinators, uv-lamps or filter vessels.
Description
Dimension...