The diaphragm washers are designed to provide a secure and watertight seal for side-entry fill valves in older toilet tanks. Made from rubber, these washers are built to withstand the rigors of daily use, ensuring a performance. They are an essential part of any toilet repair kit, helping to maintain the proper function of the toilet's water inlet system. Features -Color:Black -Material:Rubber -Size:2.80X2.80X1.50cm/1.10X1.10X0.59in -Size:6.30X6.30X0.30cm/2.48X2.48X0.12in -Reliable longevity: built to last, ensuring your toilet tank remains in good working condition for a long time -Effective leak prevention: expertly designed sealing rings prevent water leakage, ensuring the smooth operation of your toilet tank -Effortless installation: the side entry fill valve design makes installation straightforward, suitable for various old style toilet tanks -Detailed craftsmanship: made with precision, these washers are resistant to wear and tear, offering practical and reliable use -Versatile fit: designed to be compatible with a wide range of toilet tanks, meeting diverse needs and ensuring proper functionality Package list: 2 sets Toilet Tank Seal Washer