PVC 3/4" MPT Barbed Insert Share WhatsApp Deel X Pin it Messenger Email PVC 3/4" MPT Barbed Insert Share WhatsApp Deel X Pin it Messenger Email Product form SKU: IG16467 $1.05 Quantity Add to cart Description Description 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!