Ear Chambers RB02-09 Excellent for shading

Excellent for shading

leaping trout

Alignment pin lets you quickly reference the last hole drilled

Perfect for woodworking shops

concave surfaces

Ear Chambers RB02-09 Excellent for shadingA unique solution to noise pollution. These hollow chambers act as an external extension of the inner ear canal. The sound waves in the environment reach the outer ear. The Sensgard Ear Chambers re direct the sound waves away from the inner ear canal. The chamber allows low frequencies, such as speech to travel through, leaving you with sounds you hear at a safe level for safe hearing. Features: NRR 26 db. Patented ear chamber technology Simple