Description :
3M 1270 Spiral Anti-noise Silicone Soft Ear Plugs Hearing Protection Washable Muffs with Cord
Features :
Ideal for construction work， sleeping， travel， snore and noise prevention.With self adjusting Silicone for the small or larger ear canal.Brand : 3MSize : M
Hz 125 250 500 1000 2000 3150 4000 6300 8000 NRR SNR Average Noise Value 28.7 30.1 32.8 33.8 34.5 35.6 36.2 39.9 42.2 24dB 25dB Standard Deviation 5.0 5.0 4.6 4.1 3.5 3.4 4.0 4.5 5.3
Package includes :
1 x Pair of 3M 1270 Ear plugs
Details pictures :