This toilet fill valve seal ring is designed to provide a tight, leak-proof seal for side-entry valves in older toilet models. Made from great black rubber, it offers performance and reliability. Its user-friendly design allows for , making it an for both homeowners and professional plumbers. Features -Color:Black -Material:Plastic, rubber -Size:2.70X2.70X1.50cm/1.06X1.06X0.59in -Inner diameter: 23 mm -Leakproof: the rubber seal effectively prevents leaks, ensuring the toilet tank remains sealed and reducing water wastage -great design: made from robust rubber and plastic, these seals are highly resistant to moisture, pressure, and wear, ensuring performance -Wide compatibility: suitable for various old-style toilet tank fill valves, offering a versatile solution for different toilet models -Easy to install: designed for easy installation by nonprofessionals, without the need for tools or professional assistance -Noise reduction: the precise fit and flexibility of the rubber material ensure a tight seal, minimizing water refill noise and improving tank efficiency Package list: 2 x toilet tank sealing ring