Details: The Fluidmaster 703A, designed to replace old, or inefficient Glacier Bay / Niagara Flapperless Toilet fill valves, while optimizing your toilets refill performance. Designed and manufactured to specifically fit Glacier Bay and Niagara Flapperless Toilet models. This toilet fill valve helps increase your toilet’s performance with fast refill rates. Slow or broken fill valve? Restore factory performance with this direct replacement fill valve. Built for quick and easy installation, this fill valve is a cost effective DIY solution to common toilet fill problems. Built with quality and durability in mind, the 703A features corrosive-resistant materials, a 1-year warranty and a code-approved, anti-siphon operation. The Fluidmaster 703A Toilet Fill Valve for Glacier Bay and Niagara Flapperless Toilets is a direct OEM replacement toilet fill valve.