Good kit save your toilet life!
Genuine Vaknz two-piece (Split Toilet) Water Tank with chain lavatory drain valves
Fits for drain diameter 65-78mm/2.56-3.07inch
Lifetime:above 100000 times
Made from high quality plastic and stainless steel, green environmental protection, durable and corrosion resistant.
Half full, double drainage, to increases your toilet's efficiency.
Design with rubber gasket, no more leaking issue in toilets.
or all drainage you can adjust water in the water tank good sealing effect ,will not have leaking.
this Kit only Suitable two-piece toilet! as the photo!