For 4 fittings 1" 1/8 Rapid Locking System RLS Press-Fit Straight Copper Coupling "RLS Press Fittings for HVACR let you make a permanent and reliable mechanical connection in just 10 seconds, without the need for brazing. That means significant time and cost savings. In fact, eliminating the brazing step means installation goes up to 60% faster!" More Information https://fittings.rapidlockingsystem.com/item/couplings/3011-coupling-with-stop-press-x-press/3011080800111
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