Tapered designed foam uncorded ear plug for easy insertion. Resist tendency to back out of ear canal for long - term comfort. Smooth soil resistant skin prevents dirt build - up on ear plugs.New yellow and white Leight Stripe delivers high degree of comfort and visibility when worn Patented polyurethane foam expands gently in the ear canal, reduces tendency to back out of the ear canalLess expansion pressure creates a more comfortable seal, wears more comfortably than other foam earplugs over long periods of time
3M 1110 UF foam ear plugs (corded version of the 3M 1100 ear plugs) are the stiffest of the poly-urethane foam ear plugs. For those who like the feel of UF, but want the stiffness of PVC (which makes insertion easier)
Flange design gives the most comfortable fit of any reusable. Conforms to oval shape of ear. Washable, promotes worker hygiene. No rolling or touching plug portion during insertion
Refill container for One Touch dispenser. One gentle turn delivers uncorded foam earplugs.No packaging waste with each pairNoise Reduction Rating (NRR)*: 33 dB. CSA Class ALTest compatible with 3M E-A-Rfit Validation System3M E-A-Rsoft Yellow Neons earplugs in a refill container for One Touch dispenser 391-1000. Yellow Neons earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort.