This V-Gard 14 Ear Defender with Helmet Attachment is specifically designed for industrial workers. This hearing protection line provides greater comfort and excellent performance with upgrades in various styles to choose from. Without doubt, you expect to have a high quality product when you purchase this V-Gard brand ear defender with helmet attachment. Features and Benefits High quality hearing protection, designed to work with MSA hard hats Upgrades in fit and style excellent comfort and performance level so you can get the job done as safely and securely as possible Comfortable foam injected ear pads, gives soft point of contact Typical Applications General industry Utilities Construction Oil, gas, and petrochemical Standards ANSI S3.19-1974 (Low, Medium, High) CSA Class (Low, Medium, High)