The patented polyurethane foam expands gently in the ear canal and reduces tendency to back out of the ear canal.
Less expansion pressure creates a more comfortable seal, wears more comfortably than other foam earplugs over long periods of time.
The patented polyurethane foam expands gently in the ear canal and reduces tendency to back out of the ear canal.
Less expansion pressure creates a more comfortable seal, wears more comfortably than other foam earplugs over long periods of time.