21cm Toilet Flush Valve Replacement Kit for Dual Piece Drain Valve Repair

【Premium Material】 Made of high-quality plastic, this toilet flush button is corrosion-resistant, sturdy, durable, and has a long service life. 【Performance】 With a high-elasticity, high-density, and age-resistant rubber sealing ring, this dual flush button valve has a good sealing effect, so you don't have to worry about leaks. 【Regulators and Buttons】 Half-full/full flush regulator (saving 0.3/1 liter of water), saving water and energy. The two flush buttons, full/half-drain, are more water-efficient. By sliding the regulator, this white ABS toilet cistern flush valve saves your water. 【Reliable Locking】 The stainless steel hook lock below provides reliable, corrosion-resistant, and strong locking force to prevent breakage. 【Applicable Size】 Applicable to 65mm-75mm (2.56"-2.95") diameter hole of the one-piece toilet tank. Supports toilet tanks with a height of 19~36cm (7.48"-14.17").