For all HydroAir pumps with 1.50" connection ports that have a 2.5" BSP thread. Will fit other pumps with BSP threads as well.
Collar Size: 1.50" (63mm or 2.5")
Thread Type: BSP 2.5"
Connection Type: Female - Straight
Connection Size: 50mm
Is this fittings suitable for pump no. 97100-000 I am having difficult to find some thing in Denmark.