Monster Muffin

Mask C - 3 Layer + Filter

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We have caught up on orders! New wait time will be 3 to 7 business days + shipping.

This mask cannot be added to the discount 10-Pack due to its higher value.


  • Measure size from top of nose to under chin. Adult (L) 6.75", Tween (M) 5.75"
  • Adjustable elastic ear loops.
  • 3 layers plus filter; Outer Layer: black poly/cotton. 2nd Layer: black poly/cotton. 3rd Layer (Pocket) 100% natural beige cotton. Removeable PM 2.5 filter
  • Each mask comes with 1 filter. You may purchase replacement filters here.
  • Flat face on mask keeps material from bunching in mouth. Darted under chin for shape. Special shape nose piece helps to keep mask up where it need to be.
  • Stiffer, yet breathable material, keeps fabric from sucking in with deep breaths.
  • Reusable. Machine washable, tumble dry.
  • Wash upon arrival and after prolonged wear.
  • Non medical grade.
  • Made in Canada.

Filter Specs

  • Breathable filter should be replaced once a week or after prolonged wear. Wears comfortably, you don’t feel like its blocking the flow of air.
  • Professional material: made of non-woven fabrics, melt-blown cloth and activated carbon, precise 5-layer-filter system can prevent pollutants from the air effectively.