Designed to fit side-entry fill valves, these diaphragm washers are an essential component for maintaining the proper function of older toilet tanks. The rubber material provides a secure and watertight seal, ensuring that the toilet tank fills properly and preventing water wastage. These washers are easy to install, making them a practical choice for any toilet repair project. Features -Color:Black -Material:Rubber -Size:2.80X2.80X1.50cm/1.10X1.10X0.59in -Size:6.30X6.30X0.30cm/2.48X2.48X0.12in - construction: designed for long term use, ensuring your toilet tank remains functional without frequent replacements -Excellent sealing: the sealing rings are precisely designed to prevent leaks, ensuring the efficient operation of your toilet tank -Convenient installation: the side entry fill valve design allows for easy and quick installation, fitting various old style toilet tanks - workmanship: made with precision, these washers are and resistant to wear, offering practical utility -Universal compatibility: suitable for a variety of toilet tanks, meeting different needs and ensuring seamless integration Package list: 2 pcs sets Toilet Tank Seal Washer