The design features include:

1. The famous molded porous core for maximum contaminant removal. The core cannot swell, powder, or pack assuring ease of installation and removal
2. The bolt and nut attachment of the end provides simple and trouble free installation
3. The internal construction gives a one piece assembly and assures proper core alignment
4. A complete line of fitting sizes all with copper fittings
5. No plastic parts are used all internal parts are plated steel
6. A corrosion resistant powder paint protects the exterior of the shell.