Delta Diamond Seal Technology Faucet Cartridge

Delta Diamond Seal Technology Faucet Cartridge. For Use With Delta Single Handle Kitchen And Lavatory Faucets Featuring Diamond Seal Technology (DST). Unique technology requires no lubrication or seal replacement. Long-lasting performance with durable, corrosion-resistant construction. Red tab on the back top of the cartridge is an easy to set built-in temperature stop. This allows you to set the handle motion for full flow hot water to a 50/50 hot/cold mix, helping to reduce the risk of scalding.