DETAILED NOTES ON DO SILICONE MASKS WORK

If excess nose Area is required, Hollis provides a snorkel mask which will satisfy All those wants without becoming cumbersome or Unpleasant. The Hollis M1 Mask has no frame or edge to provide the widest photograph probable. This construction eradicates the field-of-view limits in standard framed masks, making it possible for you to feel completel