Sonis-1 Helmet-Mounted Ear Defenders SNR 26

https://www.conceptproductsltd.co.uk/product/sonis-1-helmet-mounted-ear-defenders-snr-26/

Sonis-3 Helmet Mounted Ear Defenders SNR 36

https://www.conceptproductsltd.co.uk/product/sonis-3-helmet-mounted-ear-defenders-snr-36/

Sonis Compact Ear Defenders 31dB SNR

https://www.conceptproductsltd.co.uk/product/sonis-compact-low-profile-mounted-ear-defenders-31db-snr/

InterGP Mounted Ear Defenders

https://www.conceptproductsltd.co.uk/product/intergp-mounted-ear-defenders/

InterEXV Mounted Ear Defenders

https://www.conceptproductsltd.co.uk/product/interexv-mounted-ear-defenders/

Clip-On Ear Protector PW42

https://www.conceptproductsltd.co.uk/product/clip-on-ear-protector-pw42/