Summary A complete cistern component pack supplied with a heavy duty brass tail bottom entry toilet fill valve. The dual flush valve is suitable for both 1½" & 2" cisterns and comes with a universal button for cistern lid holes 20mm - 60mm. This pack will give your toilet a complete eco-friendly delayed fill and is also supplied with a stainless steel bolt through kit and a foam washer. Bottom Entry Dual Flush Universal Button Water Saving Delayed Fill Heavy Duty Brass Threads Complete with Accessories