Used to convert the sand tee into a small sand pipe:

One inch two internal teeth to 6 points external teeth

The outer teeth of the sand outlet tee are 1-1/4" (one inch two water pipe teeth), which cannot be connected to a small sand pipe with an outer diameter of 28MM/32MM, so it is necessary to use Go toThis one-inch, two-turn, 6-point adapter, can be directly connected to a small sand pipe joint with an inner tooth of 6 points after conversion.