COVID EXTERNAL WET FILTER CYLINDER MASK

cults3d

COVID MASK EXTERNAL FILTER ADAPTER THE DESIGN WAS BORN BECAUSE CONVENTIONAL FILTERS ARE VERY SMALL AND IT IS VERY HARD TO BREATHE THROUGH THEM WITH THIS ADAPTATION WE ACHIEVE A MINIMUM OBSTRUCTION TO THE PASSAGE OF AIR. IN ADDITION, WE CAN USE IT DRY (WITH FILTER PAPER) OR WET (WE SUBMERGE THE FELT PAPER SLIGHTLY IN WATER, THE HUMIDITY IT ABSORBS WILL MAKE IT WORK MORE EFFICIENTLY.