If you need to know how to use a spacer with your inhaler this might be for you. The first step of the process is to assemble the spacer, fit the bottom and top half together. Next take the cap off of your inhaler. Shake the inhaler well. After this insert the inhaler into the spacer. Seal your lips tightly to the other end of the spacer. Press your inhaler once. After this breathe in and out normally for ten seconds. Even though it seems long it is important to breathe for 10 seconds. If you need another puff wait 30 seconds take the inhaler out of the spacer and shake it well. Place the inhaler back into the spacer and repeat.