special long-life versions light, powerful and safe pack of 2 pieces

For comfortable and powerful support of breathing in conjunction with suitable full masks or half masks and breathing filters. manufactured of top quality and extremely impact proof material (PVC free) handy but very robust and durable the featherweight ensures first class comfort with an added value of safety maximum comfort of wearing without irritating the field of vision reduces effective the heat accumulation within the mask especially economic and safe user optimized although very easy to be used no annoying, disturbing and dangerous cable hassle due to battery integration directly inhousing to be used with appropriate full face masks, half masks and filter with standard threadconnection can be worn for a long time thanks to exchangeability of batteries immediately ready for use through provided battery pack Made in Germany