• Model #1988
• Designed to fit under all major welding helmets
• Lightweight and Comfortable - only 4.3 ounces!
• Compact - fits easily under safety masks and helmets because it has the lowest profile of any muff on the market!
• Fits instantly, no band adjustment. Articulating cups comfortably mold to face.
• Completely dielectric
• Crown strap included for extra secure fit
• Premium Soft-Seal™ ear cushions
• The Slimline isn't only for welders, its protection is ideal for many other noisy situations, especially for those requiring hardhats.
• NRR=19 dB

Attenuation data

Frequency in Hz	125	250	500	1000	2000	3150	4000	6300	8000
Mean (dB) Attenuation	12.3	14.0	23.3	28.8	27.3	30.8	34.1	35.3	34.1
Standard Deviation	2.7	1.6	2.6	2.4	2.3	2.9	3.0	3.1	3.2
NRR=19dB