How can you be sure that you have donned your mask correctly? With the new patent pending PressToCheck filters you can instantly check that you have the correct seal every time. Features:- Award winning – Winner of the BSIF Product Innovation Award. FIT IT! – Don the Mask – Put the straps and harness over your head and pull the straps to a suitably tight and comfortable fit. PRESS IT! – PressToCheck – Press the front and backs of both filter covers together to stop air from entering through the filters. CHECK IT! – Inhale – No air should come through the mask. Adjust the mask and repeat until it doesn’t. Release when seal is made.
