EAR PLUG, 3M
Material : Slow Rebound Foam (Polyurethane)
Noise reduction value NRR : 29 db
Noise reduction value SNR : 31 db
Earplugs for sleeping are made to be as comfortable as possible while blocking external sounds that may prevent or disrupt sleep.
Earplugs are available which help to protect ears from the pain caused by airplane cabin pressure changes.
Easy to use.
Size : 2.6×1.3cm
Isi 10 pairs/pk