2 X FANVERIM Snap On Replacement Acoustic Tube for Two-Way Radio Audio Headset Kit (2 Pack) Dynamic Designs Snap On Acoustic Tube with Noise Reduction Ear Tip This Military Grade Unit is Perfect for Professional Rugged Applications. Water and Impact Resistant. Attached Clothing Clip Medical Grade Clear Acoustic Tube Up to 42 dB Noise Reduction Replacement Snap on Secret Service / FBI style acoustic coil tube. Includes tube, silicone tip, connector, and metal clip. This snap on unit is for headsets requiring a snap on round connector