Honeywell Max-1-D Ear Plugs Ls500 Dispenser Refill Orange Pack 500'sHoneywell Max 1 D Ear Plugs Ls500 Dispenser Refill Orange Pack 500's Honeywell Max 1 D Ear Plugs LS500 Dispenser Refill PREMIUM FOAM EARPLUGHoward Lite Max Refill for use with LS 500 dispenser. SNR 37 Bell shape gives maximum in ear comfort, easier to insert and resists tendency to back out of ear canal Polyurethane foam enhances comfort for long term wear Smooth, soil resistant closed cell foam skin prevents dirt build up Conforms to EN352 2