The NV3‑704‑50 is a premium RPB Nova 3 supplied-air blast helmet configured for cooler environments. It includes a hot-air supply tube that raises incoming air temperature by up to 30 °F—ideal for cold workshops or outdoor winter blasting. The kit features the Nova 3 shell, comfortable nylon cape, SAR breathing tube, and the hot-air tube assembly. Certified NIOSH TC‑19C‑456 and ANSI compliant, this setup offers ergonomic benefits like panoramic visibility, sound-dampening padding, and adjustable fit—all designed to enhance operator safety, comfort, and efficiency during prolonged blasting jobs
