1″/1.5″ Tri Clover Compatible Clamp via Brewers HardwareMore Info
From the product description, check product page for current description, price and availability:
This heavy duty clamp is used with a gasket and two Tri Clover Compatible fittings to make a connection. The same clamp fits both 1″ and 1.5″ Tri Clover Compatible fittings.
As of this posting, Brewers Hardware has these for $5.50. As of this posting, these are one of Brewers Hardware’s most popular items. See – this search to check current standings. Check product page for current price & availability.