1 Pack Toilet Flush Button Replacement, 38mm Dual Flush Toilet Button, Toilet Flush Button water for bathroom toilet repair. Toilet Flush Button Set: You will get 1 standard dual flush flush button Universal size: Diameter: 38" mm/1.5 inches. Our recessed buttons are compatible with holes from 38mm to 45mm in diameter. Please check your toilet lid hole size before ordering. Durable Material: The dual flush toilet button is made of ABS engineering plastic, the button surface is chrome plated, not easy to age, to corrosion. durable and wear-resistant. Easy to use: This universal flush button replacement is very easy to install. It only takes a few minutes to install and ensure the plunger is properly engaged and the toilet is properly flushed again. Product Application: The push button flush is compatible with most dual bath toilets or tanks, and is an essential accessory for home office stores.