Pyramex Venture II Welding Safety Glasses SB18_0SF (12/box) PORTABLE GAS MONITORS AND DETECTORS GAS DETECTION while a helical wire running

while a helical wire running the entire duct length keeps the it wide open allowing air to flow freely

the H7A weighs 8 oz

Compact and lightweight

2135 20" Diameter

With a high noise reduction rating (NRR) of 33

Pyramex Venture II Welding Safety Glasses SB18_0SF (12/box) PORTABLE GAS MONITORS AND DETECTORS GAS DETECTION while a helical wire runningPyramex Venture II Welding Safety Glasses come in a black frame with either a 3. 0 or 5. 0 IR filter lens. 3. 0 IR Filter Len is commonly used around welding sites or for light brazing or cutting. 5. 0 IR Filter Lens is commonly used around welding sites or for medium to heavy cutting and medium to heavy gas welding. The 9. 75 Base curved lens provides full side protection without distracting seams or traditional type side shields. Nose buds secure