(PG3\8) Panel Grommet
Eliminates the need for the more expensive Bulk Head Union (above). To install remove the Brass Bulk Head union and install this grommet in its place. This also eliminates an extra break in the ozone line. Grommets come free with the purchase our "CD" units. We find that "CD" will dissolves the bulkhead in the first 12 months of use.