First, pull back the durable silicone and pop out the filter with your thumb.​​Then, pull back the silicone on the earplugs you wish to switch to and push the filters in.The filter’s larger base should go in first, with the smaller top base being against your ear when you insert them. If you have the Smaller Ears Earplugs, the 5 tiny holes should be facing out. If you have the High Fidelity Earplugs, the screen side should be facing out.Be sure that the small silicone ridges fully surround the filter to maintain its position.High Fidelity Earplugs: Pride EditionSmaller Ears EarplugsWe also have an instructional video available below: