I am using a large sized Amara View mask, I just switched from medium on the 17th of April. I feel the holes are too small as well, but I am sure it is the company playing with the numbers to aggitate me. Thank you, I know how to find out if CO2 is raised in my blood now. I see my PCP this Thursday...

You need to see a different kind of doctor - one who will treat you for clinical paranoia, which you clearly have - the mask or your doctor or the DME are not your main problems, even if some adjustment might need to be done to your equipment, though I doubt very much the CO2 vent is defective, and...