JBL Hydro Seals Vented Preformed Protective Earplugs Aqua Ear Plugs For Scuba and Free Diving. JBL Hydro-Seals utilize an advanced multi-baffle polymer design providing exceptional protection against water entering the ear canal. Exclusive Hocks Noise Breaker allows normal sound waves to pass through while preventing pressure build-up from water intrusion, making them ideal for divers that have trouble clearing their ears at descending depths. Hydro Seal Aqua Plugs are doctor recommended and are preformed for left and right ear to give a custom fit.

Features 

• Hypoallergenic. Polymer construction
• Preformed left (clear), right (Red) plugs for custom fit
• Dual BAFFLE design, locks into inner ear keeps hydro seals in-and-water out of ear canal
• Exclusive hocks noise breaker: allows user to pressure clear ears
• Hear Normal sounds with hydro seals Inserted in ear