Peltor 3M X5A Ear Defenders with Headband, Black & 3M Optime I, H510AC1, Ear Muffs Headband, Lightweight Ear defenders, Hearing Protection reduces noise level by up to 27dB, Pack of 1 :
H540A-411 | 3M PELTOR Optime III Ear Defender with Headband, 34dB, Red | RS
3M Peltor WorkTunes Pro FM Radio Headset Battery Powered – Hearing protection with FM Radio Function for An Improved Work Experience, 32 dB, Black : Amazon.co.uk: DIY & Tools
3M™ Peltor™ X Series Wireless Communication Earmuff Accessory | MT67H05WS6-EU | £64.20