Petzl Vertex Vent, PETZL Vertex Vent Ventilated Safety Helmet (ANSI Z89. The adjustable-strength chinstrap makes it ideal for both work at height and on the ground. Top quality, great selection and expert advice you can trust. Petzl Custom service can customize a VERTEX or STRATO line helmet with a logo, reflective bands and pre-mounted Petzl eye and face shields, for an entirely ready-to-use solution. With its strong chin strap, the VERTEX VENT helmet sets the standard in head protection for workers at height. Free price comparison on BGC Market. With its six-point textile suspension, sliding ventilation system, and dual-standard certification, it delivers comfort, protection and flexibility for arborists and site workers alike. It has ventilation holes with sliding shut The Petzl VERTEX VENT Helmet is a professional-grade, ventilated safety helmet built for working at height or in industrial environments. 100% Satisfaction Guarantee. Petzl USA. j5gd, mgqv, rylpv, lh7hh, gc2, xmiti, xd, yinuq, spdsu, zr0q,