Profile: Nova Safety Products Inc. offers safety equipment. Our products include confined space, ergonomics, eye protection, eyewash, fall protection, first aid, footwear, hand cleaners and wipes, hand protection, head & face protection, hearing protection, heat stress, instrumentation, lighting & protective clothing. Our Manhole Warning Barrier™ provides an effective means to mark the location of a dangerous confined space. It fits right inside the manhole, making it visible only when the manhole cover is removed.