It does not matter which earplugs you use

PROTECT YOUR HEARING – The Digital Hearing Protection on the XCOR compresses loud noises rather than shuts them out/off

comfortable ear cups enhance wearability and improve noise isolation

Low Profile Fit: EARasers Disappear

Loud noises

Hellberg Hygiene Kit for Secure 3 Earmuffs HY80 It does not matter whichReplacement pads and foam for Hellberg Secure 3 Passive Ear Muffs Hygiene Kits are used to maintain proper earmuff performance Kits contain new ear cushions and foam liner inserts which can be quickly replaced in a few easy steps You should replace your hygiene kit every six months to maintain maximum protection