Product description The 400A Fill Valve by Fluidmaster saves time and money. The 400A is the standard replacement for most toilets and is easy to install. Its anti-siphon design prevents contamination of household water. Product information Technical Details Part Number: 400A Item Weight: 8 ounces Product Dimensions: 3 x 3 x 12.5 inches Item model number: 400A Size: 2 Pack Item Package Quantity: 1 Batteries Included? No Batteries Required? No