Fluidmaster Universal Toilet Flush Valve Kit - Fix Noisy/Slow Filling Toilets - Easy Install Open Box - item in new condition. No evidence of previous installation. Packaging is torn and retaped. The Fluidmaster 400A Universal Toilet Fill Valve is the #1 selling toilet fill valve in the world. A height adjustable toilet replacement part designed to fix leaking, noisy and slow filling toilet valves, in an easy to install model. The anti-siphon design eliminates fresh water supply contamination, is code approved and efficiently uses water. The 400A is a trusted and durable toilet replacement part, consisting of corrosion-resistant materials combined with simple installation. Fluidmaster is the trusted brand for replacement fill valves and all your toilet parts needs. Parts included with 400A purchase are Fill Valve, Shank Washer, Locknut, Refill Tube, Refill Clip and Instructions. Upgrade your toilets fill performance with this proven toilet tank fill valve. The Fluidmaster 400A is a quick and easy replacement toilet fill valve that solves common toilet problems. Consumers top choice to fix noisy toilets Easy to install New easier to turn tank water level adjustment dial Now pre-installed shank washer for quicker installation Quickly replaces old or inefficient fill valves