General description DEWALT Respiration Ear Defenders are designed to provide hearing protection during work involving respiratory equipment. They are compatible with DEWALT Powered Air Purifying Respirators (PAPR) and welding respirators, offering a convenient solution for combined hearing and respiratory protection. Technical specifications SNR Rating: 30dB Compatibility and accessories Compatible with DEWALT Powered Air Purifying Respirator (PAPR) Compatible with DEWALT Welding Powered Air Purifying Respirator Installation Designed to be easily attached to compatible respirators for quick setup Usage Wear during activities requiring respiratory protection to also safeguard hearing