Do it Plastic Toilet Tank Fill Valve replaces your old fill valves and floats with space-saving performance. Designed with an anti-siphon feature, it effectively prevents backflow, ensuring safe and reliable operation. The adjustable knob helps conserve water, making it an efficient choice for your bathroom. This valve operates quietly and is compatible with standard two-piece toilets. The package includes a metal refill, tube clip, rubber cone, washer, rubber refill tube, plastic lock nut, and plastic washer, providing everything needed for a straightforward installation. Model Number: