Tri-Clamp by Female Garden Hose Thread
This is 1.5″ tri-clamp by 3/4″ female garden hose thread. This part is manufactured from one piece of 304 stainless steel and easily allows you to attach a regular garden hose thread.

California Proposition 65

Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.