Securely retained Buna "N" O-Ring to ensure effective sealing by positive tangential contact; eliminates accidental misplacement; provides longer life.
Positive head to bowl "stop" to prevent bowl overtightening.
Mounting bosses in head for available bracket.
Full testing to industry standards of the Water Quality Association for burst pressure, water tightness and fatigue resistance.
tested and certified by NSF International under ANSI/NSF Standard 42 for material and structural integrity requirements