Custom Filtered Swimming EarplugsAquaShields Custom Moulded Filtered Swimming Earplugs offer the highest level of protection for swimmers who want to block water while still being able to hear important sounds. Crafted from medical grade silicone, these earplugs are custom moulded for a precise, comfortable fit that stays in place during every swim. The advanced filtering technology ensures that water is kept out, while allowing for air circulation and equalizing pressureideal for