Ideal for DIY enthusiasts and professional plumbers alike, this fill valve seal is designed to fit older toilet tanks with a side-entry configuration. Its robust construction ensures a tight seal, preventing leaks and water damage. Easy to install, it helps restore your toilet's performance, ensuring a clean and efficient bathroom environment. Features -Color:Black -Material:Silicone -Size:2.70X2.70X1.50cm/1.06X1.06X0.59in -great elasticity: retains its shape and elasticity over time, ensuring consistent and reliable performance -Easy to install: no professional tools required, making the installation process straightforward and user friendly -Universal compatibility: fits a wide range of old style toilet tanks, providing a versatile replacement solution -Leak-resistant fit: ensures a tight and secure fit, effectively preventing any leaks -great construction: crafted with great materials, resistant to wear, and designed for use Package list: 2 x toilet tank replacement seal