Prohibit Anti-Fog Mask. Face Masks. Film Strip Anti-Fog Mask With Ties, Green, Latex-Free. Medline's Prohibit Anti-Fog Mask with Very Aggressive Adhesive Tape Forms a Tight Seal to Maintain Optical Clarity. Offer a tight seal and prevent eyewear from fogging for superior optical clarity. Chance of wire exposure is reduced by full-width covered nosepiece that also guarantees proper closure. 6 box/Case, 300 Each/Case.