3M 1100 Polyurethane Foam Earplugs, 29 DB NRR, Orange Eco_Friendly Patented PermaLock® fastener eliminates nut

Patented PermaLock® fastener eliminates nut and bolt failures

All ball bearing construction provides greater durability and longer tool life

All-steel construction provides long-lasting durability

When used as directed grow big® hydroponic encourages vigorous vegetative growth

3M 1100 Polyurethane Foam Earplugs, 29 DB NRR, Orange Eco_Friendly Patented PermaLock® fastener eliminates nut3M 1100 earplugs are made from soft hypoallergenic PU foam material to provide maximum comfort and low pressure inside the ear. The tapered design fits most ear canals and is making the plugs easier to use. Its smooth, dirt resistant surface provides better hygiene, durability and comfort. Soft foam earplugs to provide maximum comfort and low pressure inside the ear Smooth, dirt resistant surface provides better hygiene, durability and comfort