![Howard Leight Leightning L2 & L3 Over the Head Earmuffs - DISCONTINUED — NRR Rating: L2 - NRR 27 — Legion Safety Products Howard Leight Leightning L2 & L3 Over the Head Earmuffs - DISCONTINUED — NRR Rating: L2 - NRR 27 — Legion Safety Products](https://ib.legionsafety.com/Q49F-JgUjeB9VAr-xvTw6v-11gbZshMupbPlZ02O/howard-leight-leightning-l2-l3-over-the-head-earmuffs.jpg)
Howard Leight Leightning L2 & L3 Over the Head Earmuffs - DISCONTINUED — NRR Rating: L2 - NRR 27 — Legion Safety Products
Effect of head width, head height and clamp force on the noise reduction provided by two different styles of earmuffs
Effect of head width, head height and clamp force on the noise reduction provided by two different styles of earmuffs
![Howard Leight by Honeywell Leightning L2F Folding Slim Shooting Earmuff (R-01525) Black/Gray Large - Safety Ear Muffs - Amazon.com Howard Leight by Honeywell Leightning L2F Folding Slim Shooting Earmuff (R-01525) Black/Gray Large - Safety Ear Muffs - Amazon.com](https://m.media-amazon.com/images/I/81PiRB6j1rL._AC_UF894,1000_QL80_.jpg)