3/4" MPT x 3/4" Insert Adaptor Pinit $1.00 Quantity discounts available QuantityPrice SKU: IG16467 Retail Price This item is IN STOCK Quantity -+ Add to Cart Details 3/4" MPT x 3/4" Barbed Insert. Useful for converting 3/4" poly tubing into a standard male pipe thread male end.Save a trip to the hardware store! Details Back Details3/4" MPT x 3/4" Barbed Insert. Useful for converting 3/4" poly tubing into a standard male pipe thread male end.Save a trip to the hardware store!