Repair your leaky faucet with the Danco Seats and Springs for Delta/Delex/Peerless Faucets Pro-Pack. Fixing your dripping faucet by repairing the cartridge will save water and keep you from buying an entirely new faucet. These seats and springs are designed to be compatible with hot and cold water applications. They are compatible with single handle Delta, Delex and Peerless faucets. This pro-pack is perfect for the everyday professional or weekend DIYer with a leaky lavatory or tub/shower faucet project.