This document provides instructions for properly filling a Missouri Artificial Vagina (A.V.) liner. It describes three options for filling the liner: 1) Using a Next Generation A.V. Fill Kit which allows burping out air for an even fill while avoiding damage, 2) An air-valve system which fills quicker but risks liner damage, and 3) Directly filling the liner with a rubber hose. The key steps are removing the air valve parts, filling the liner with water at 115-131°F, burping out air, stopping at half the tubing's height, replacing the air valve parts, and weighing the filled liner at 12-15 pounds inside its protective cover. Maintaining a consistent