Q1: What is the difference between the M Cross and the M Plus mask?

The main difference between M Plus mask and M Cross mask is their construction and appearance. Their filtration of 99.4% particulates, dust, pollen, etc. is the same.
A: M Cross mask is designed with adjustable elastic strap used to wear at top ofhead, so as to release the pressure/ pain in your nose/ ears.
B: M Cross mask is designed with slim adjustable elastic back strap compared with M Plus mask, so as to reduce the coverage of back strap around your neck and avoid heat around neck during hot Summer.

Q2: Do the filters need to be replaced, if so, how often?

Yes, the activated carbon filters need to be replaceable after time of usage.

The life expectancy of the BASE CAMP Filter depends on many variables, such as; particulate exposure density, particulate exposure duration and user breathing rate. With that said, below are our general guidelines-as the user will have the final call give your exposure.

+ 20-30+hours of continuous use in heavy dust exposure to things such as:grain bins, off-roading, construction/demolition etc.
+ 30-40+hours of continuous use in light dust exposure to things such as:grain bins, off-roading, construction/demolition etc.
+ 50-60+hours of continuous use when protecting against allergens, pollutants, odors etc.

Q3: Do I need to replace the valves?

Valves only need to be replaced if they become damaged or if a piece goes missing. They can be detachable to wash by hand when get dirty.

Q4: Can the mask be washed?

The mesh face mask shell can be detachable to wash by hand when get dirty. We recommend hand washing the shell with hand soap and warm water. Allow the mask to dry completely after washing before reinstalling the filter.

Q5: Will the mask fog my glasses?

As long as you have the proper mask fit and have adjusted the nose piece to seal the breathable face mask around your nose. It will prevent fogging. Make you get rid of the concerns of glasses fogging while working.

Note:While the design of our dust mask make every effort to prevent fog your glasses, we cannot promise 100% no fogging.


Q6: What is the"AEB" system(included in the package of M Plus Mask) for?

"AEB System" that can be used to work with BASE CAMP M Plus mask, to
A: help fix the mask in place without slipping off from your face/head even you're moving;
B: to help release the pressure/pain in your nose and ears.
Tips: the AEB System can be adjusted to suitable length or position for mask snugly fit your face.


Q7: Are you accepting returns during the special time?   

As you've known, these are protective products and we are under the dangerous time. Once item was opened, used, they could not be resold, moreover it's not safe to expose our warehouse workers to the returned used masks. Because we are a responsible seller, we care about the safety of both our customers and workers. So we are not acceping turns and exchanges except currently, in the case of manufacturer defect.

After it is declared to be over by WHO, we will review our return policy and continue to act in the best interest of our customers and employees. Thank you for your patience and understanding.


Q8: How should I wash my C14 cloth face mask and how often?

Wash before first use. Wash your cloth mask whenever it gets dirty or at least daily. Comes with 2 or 3 masks so that you can easily replace a dirty mask with a clean one.
Here are care instructions for reference:
Gentle Hand wash, soak in lukewarm water with gentle detergent, soap for washing, rinse with clean water.
Do not fold the nose wire completely in half repeatedly when washing, or it will cause the nose wire to break.
Do not tumble dry or dry clean.
Do not rub brush or wring.
Do not use antiseptic detergents or bleach. 


For Customer Service Inquiries:hello@bcmask.com