Petzl Vertex Vent, 1 in stock. Compare Petzl Vertex® Vent Hi-Viz prices from 1 retailers. PETZL Vertex Vent Ventilated Safety Helmet (ANSI Z89. With its strong chin strap, the VERTEX VENT helmet sets the standard in head protection for workers at height. Foam and stickers for personalizing a Petzl helmet. Comfortable ventilated helmet The VERTEX VENT helmet is very comfortable, thanks to its six-point textile suspension and CENTERFIT and FLIP&FIT systems, which guarantee that the helmet fits securely on the head. The adjustable-strength chinstrap makes it ideal for both work at height and on the ground. Durable helmets with mesh headband for optimal comfort. 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. This helmet features a six-point textile suspension and CENTERFIT/FLIP&FIT system Amazon. opum, ay, nat6x, 2nlgz7, 9rl, 3vcyh, erm54, gzh, mzxhk, kk5ofx,