Super Leight has the highest noise reduction rating (NRR) 33, available in a single-use foam earplug. Its bell shape design delivers maximum in-ear comfort and the smooth, soil resistant skin helps prevent dirt build-up.
Specifications:

Type	Earplugs
Color	Red/Blue
NRR	33 dB
Quantity	3 Pair
Style	Inside The Ear
AFT Circuit
Battery
Compression Circuit
Material