You'll notice a bigger difference after this

demanding environments with substantial industrial noise such as airports and construction sites where hard hats are required

Designed for Earshade and Earshade Pro

Protects against both continuous and sudden impulse noises

Howard Leight HL400™ AM Ear Plug Dispenser (w/ 400 Pairs Max) upsell_flare-calmer You'll notice a bigger differenceThe HL400AM dispensers for earplugs are designed to meet todays safety needs. The turn knob and catch tray are treated with an antimicrobial additive, making earplug dispensing more hygienic. The antimicrobial additive releases slowly to reduce the bioburden on the turn knob. This way the product remains clean and does not require extra cleaning, thus, driving cost savings. This product does not protect users or others against disease causing