This insert is for feed slots 3.2" long and 1/2" wide. Profile shape is for C1 & D1.
Flush fitting insert for testing the feed slot fitting.
If glue is not used for perminate fixtures, you will need to order an insert with side Barbs (no extra charge).
Contact info@MastGates.com for the Snap-in insert with side barbs and nipples.
Side-barbs allows the insert to snap-lock in place and the bottom nipples will prevent sliding under load.
Feed slot groove instructions are available:
https://youtu.be/VvgMuhgE8TI
info@MastGates.com
Rev. J35 pg494A Barb 82mm .v.101