3M Peltor Optime II H520A Ear Defenders SNR 31dB brand_-Crispi Ventilation is handled by waterproof

Ventilation is handled by waterproof underarm zippers that dump heat quickly when the pace picks up

kennel hands and site workers alike

Machined to fit 1in (25mm) diameter scope tubes

for reloading

All products are built at Brattonsound's Surrey factory under ISO 9001 registered quality controls and are covered by a three-year on-site UK parts and labour warranty

3M Peltor Optime II H520A Ear Defenders SNR 31dB brand_-Crispi Ventilation is handled by waterproofThe 3M Peltor Optime II H520A is a passive, over ear hearing defender built for sustained protection against moderate to high noise, from clay ground and vermin control to power tools and workshop machinery. Its twin sealing rings are filled with a unique liquid and foam combination that gives an optimum seal at low contact pressure, so the cups stay comfortable through a long day rather than clamping after an hour. Ventilation channels inside each