This earmuff for hard hats features lightweight earcups that attach to a variety of hard hats without additional adapters. The multi-position ear cups are beveled to fit comfortably under the hard hat. Ear cups flip up and lock in place when not in use. Contoured ear cushion for improved fit and comfort. Soft sealing cushions and molded foam ear cup inserts are easily replaceable. Tested to ANSI S3.19-1974. NRR 23 dB.**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
SKU
Description
NRR
1450
Hard Hat Mounted earmuffs 1450
23*
3Mâ„¢ Low Profile Earmuffs 1425
This 3M low profile earmuff has soft, foam-filled cushions that fit comfortably yet securely over the ear. Rugged con-struction provides durability in most work environments. Sliding headband allows easy adjustment to fit a wide range of head sizes. Adjustable swivel cups enhance comfort and fit. Easy to fit and use. Tested to ANSI S3.19-1974. NRR 22 dB.**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
SKU
Description
NRR
1425
Low Profile earmuffs 1425
22*
3Mâ„¢ Three Position Earmuffs 1427
The 3M™ 1427 features three headband positions for versatility. Adjustable head strap secures the earmuff when the headband is worn under-the-chin or behind-the-head. Soft, foam-filled cushions fit comfortably yet securely over the ear. Lightweight design includes a padded headband for comfort. Tested to ANSI S3.19-1974. NRR 27 dB when worn over and behind the head and 26 dB when worn under the chin.**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
SKU
Description
NRR
1427
Three Position earmuffs 1427
27*
3Mâ„¢ General Purpose Earmuffs 1435
The 1435 general purpose earmuff has slim, durable plastic earcups. The foam-filled cushions stay soft even after extensive use. Unique molded inserts provide large inner space for the ear for maximum comfort. Two-point head band for low, evenly distributed pressure and easy handling. Lightweight. Tested to ANSI S3.19-1974. NRR 23 dB.**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
SKU
Description
NRR
1435
General Purpose earmuffs 1435
23*
3Mâ„¢ Earmuffs 1440
The 3M 1440 is a padded earmuff with slim, durable plastic ear cups. Soft foam-filled cushions stay soft after extensive use. Unique tension adjustment system for exceptional individual fit and comfort. Wide padded headband for secure fit. Lightweight at only 8 oz. Tested to ANSI S3.19-1974. NRR 24 dB.**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.