Helmet Cooling Fan | Workers can keep cool in the summer with this innovative wearable fan | By Interesting Engineering | Facebook
![Tajima Grati-Lite Headlamp - 500 Lumen Extenal Battery LED Headlight with 3 Brightness Modes & Helmet Clips Included - LE-F501D - - Amazon.com Tajima Grati-Lite Headlamp - 500 Lumen Extenal Battery LED Headlight with 3 Brightness Modes & Helmet Clips Included - LE-F501D - - Amazon.com](https://m.media-amazon.com/images/I/71F0GYyUpsS._AC_UF894,1000_QL80_.jpg)
Tajima Grati-Lite Headlamp - 500 Lumen Extenal Battery LED Headlight with 3 Brightness Modes & Helmet Clips Included - LE-F501D - - Amazon.com
![New Safety Helmet Breathable Construction Engineering Hard Hat With Reflective Tape Creative Protective Work Cap High Strength - Safety Helmet - AliExpress New Safety Helmet Breathable Construction Engineering Hard Hat With Reflective Tape Creative Protective Work Cap High Strength - Safety Helmet - AliExpress](https://ae01.alicdn.com/kf/H9a6098ee55144f639bb9f11ec38ca359V/New-Safety-helmet-breathable-construction-engineering-hard-hat-with-reflective-tape-creative-protective-work-cap-high.jpg)
New Safety Helmet Breathable Construction Engineering Hard Hat With Reflective Tape Creative Protective Work Cap High Strength - Safety Helmet - AliExpress
![Amazon.co.jp: TJM Design FH-BA18SEGW Aftermarket Fan for Any Helmet, Cool Fan Elegant Head 2, 2-Way Air Blower Inside the Helmet and Neck for Effective Heat Dissipation, Small and Lightweight Battery, 3 Modes Amazon.co.jp: TJM Design FH-BA18SEGW Aftermarket Fan for Any Helmet, Cool Fan Elegant Head 2, 2-Way Air Blower Inside the Helmet and Neck for Effective Heat Dissipation, Small and Lightweight Battery, 3 Modes](https://images-fe.ssl-images-amazon.com/images/I/81JOxRPD3TL._AC_UL600_SR600,600_.jpg)