AIR DEFENDER Foam Cushions and foam inserts every 3-9

and foam inserts every 3-9 months depending on the frequency of use

ISOtunes LINK 2

CALIBER is a Bluetooth shooting earbud that packs a big punch in a little package

They're ideal for use in production environments that require metal-detectable PPE to support safety and compliance standards

AIR DEFENDER Foam Cushions and foam inserts every 3-9ISOtunes TRILOGY AIR DEFENDER Hygiene Kit offers a trifecta of benefits for optimal hearing protection: superior comfort, noise isolation and sound quality. The package contains 2 ear pads, 2 fabric inserts and 2 foam ear cups. The AIR DEFENDER Hygiene Kit is compatible with the ISOtunes AIR DEFENDER. We recommend that regular users replace them after 3 6 months.