3M Peltor Optime II Helmet Attach Earmuff CL5 29dB H520p3gs/e
3M PELTOR Optime II Earmuffs, H520P3GS/E have been developed for demanding noise-hazard environments. A suitable choice for environments with substantial industrial noise or construction machinery, like airports and agricultural work. Get high level hearing protection that muffles even extremely low frequencies with 3M PELTOR Optime II Earmuffs, H520P3GS/E. They’re ideal for use in loud, demanding environments with substantial industrial noise such as airports and construction sites where hard hats are required. Our helmet mounted earmuffs in classic green reduce noise levels up to 29 dB. The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide cushions help decrease pressure around the ears, making them comfortable to wear for long periods. The cushions and foam inserts, available as Hygiene Kits, are easy to replace if they become worn or damaged, extending the life of the product. 3M PELTOR Optime II Earmuffs are available in headband, neckband and Hi-Viz green models. Compatible with 3M 25 mm hardhats and visors. Also includes 30 mm hard hat adapter. Reduces noise levels up to 29 dB Large space inside the cups helps minimise heat and moisture build-up Soft, wide, cushions help reduce pressure around the ears Cushions and inserts available as replacement Hygiene Kits
3M PELTOR Optime II Earmuffs, H520P3GS/E have been developed for demanding noise-hazard environments. A suitable choice for environments with substantial industrial noise or construction machinery, like airports and agricultural work. Get high level hearing protection that muffles even extremely low frequencies with 3M PELTOR Optime II Earmuffs, H520P3GS/E. They’re ideal for use in loud, demanding environments with substantial industrial noise such as airports and construction sites where hard hats are required. Our helmet mounted earmuffs in classic green reduce noise levels up to 29 dB. The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide cushions help decrease pressure around the ears, making them comfortable to wear for long periods. The cushions and foam inserts, available as Hygiene Kits, are easy to replace if they become worn or damaged, extending the life of the product. 3M PELTOR Optime II Earmuffs are available in headband, neckband and Hi-Viz green models. Compatible with 3M 25 mm hardhats and visors. Also includes 30 mm hard hat adapter. Reduces noise levels up to 29 dB Large space inside the cups helps minimise heat and moisture build-up Soft, wide, cushions help reduce pressure around the ears Cushions and inserts available as replacement Hygiene Kits
3M PELTOR Optime II Earmuffs, H520P3GS/E have been developed for demanding noise-hazard environments. A suitable choice for environments with substantial industrial noise or construction machinery, like airports and agricultural work. Get high level hearing protection that muffles even extremely low frequencies with 3M PELTOR Optime II Earmuffs, H520P3GS/E. They’re ideal for use in loud, demanding environments with substantial industrial noise such as airports and construction sites where hard hats are required. Our helmet mounted earmuffs in classic green reduce noise levels up to 29 dB. The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide cushions help decrease pressure around the ears, making them comfortable to wear for long periods. The cushions and foam inserts, available as Hygiene Kits, are easy to replace if they become worn or damaged, extending the life of the product. 3M PELTOR Optime II Earmuffs are available in headband, neckband and Hi-Viz green models. Compatible with 3M 25 mm hardhats and visors. Also includes 30 mm hard hat adapter. Reduces noise levels up to 29 dB Large space inside the cups helps minimise heat and moisture build-up Soft, wide, cushions help reduce pressure around the ears Cushions and inserts available as replacement Hygiene Kits
3M PELTOR Optime II Earmuffs, H520P3GS/E have been developed for demanding noise-hazard environments. A suitable choice for environments with substantial industrial noise or construction machinery, like airports and agricultural work. Get high level hearing protection that muffles even extremely low frequencies with 3M PELTOR Optime II Earmuffs, H520P3GS/E. They’re ideal for use in loud, demanding environments with substantial industrial noise such as airports and construction sites where hard hats are required. Our helmet mounted earmuffs in classic green reduce noise levels up to 29 dB. The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide cushions help decrease pressure around the ears, making them comfortable to wear for long periods. The cushions and foam inserts, available as Hygiene Kits, are easy to replace if they become worn or damaged, extending the life of the product. 3M PELTOR Optime II Earmuffs are available in headband, neckband and Hi-Viz green models. Compatible with 3M 25 mm hardhats and visors. Also includes 30 mm hard hat adapter. Reduces noise levels up to 29 dB Large space inside the cups helps minimise heat and moisture build-up Soft, wide, cushions help reduce pressure around the ears Cushions and inserts available as replacement Hygiene Kits
in 21 offers
The lowest price for 3M Peltor Optime II Helmet Attach Earmuff CL5 29dB H520p3gs/e right now is $41.90 at sydneytools.com.au, compared across 19 retailers.
The all-time low was $37.80 on 6 Feb 2025 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 14 Sept 2026.
Last updated at 14/09/2026 06:32:01
3M H520P3GS/E Peltor Optime II Class 5SLC80 29dB Helmet Attach Earmuff, Green
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
3M 7100242347 (70071730538) PELTOR Optime II Class 5 Foldable Headband Earmuffs
Delivery $9.70
3M 7100242087 (70071730546) PELTOR Optime II Neckband Format Earmuffs
Delivery $13.25
H520P3GS/e Optime Ii Helmet att - Earmuff
H520P3GS/e Optime Ii Helmet att - Earmuff
3M PELTOR Optime II Cap Attachment Earmuff H520P3GS/E
Delivery between 18–22 Sept $15
3M PELTOR Optime II H520P3GS/E Helmet Attach Earmuff 29dB
Delivery between 18–22 Sept $15
3M PELTOR Optime II Helmet Attach Earmuff H520P3GS/E, Green, Class 5 SLC80 29dB, 10 ea/Case
Delivery between 17–25 Sept $16.95
3M PELTOR Optime II Helmet Attach Earmuff H520P3GS/E, Green, Class 5 SLC80 29dB, 10 ea/Case
Delivery $16.95
3M Optime 2 Cap Attachable Green Ear Muffs Class 5 29db
| Attenuation rating (HML) | 29 dB SLC80 |
| CSA Class | 5 |
| Electrically Insulated | No |
3M H520P3GS/E Peltor Optime II Class 5SLC80 29dB Helmet Attach Earmuff, Green
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
3M 7100242347 (70071730538) PELTOR Optime II Class 5 Foldable Headband Earmuffs
Delivery $9.70
3M 7100242087 (70071730546) PELTOR Optime II Neckband Format Earmuffs
Delivery $13.25
H520P3GS/e Optime Ii Helmet att - Earmuff
H520P3GS/e Optime Ii Helmet att - Earmuff
| Attenuation rating (HML) | 29 dB SLC80 |
| CSA Class | 5 |
| Electrically Insulated | No |