These corrective lenses can be inserted into the new M-2004 Intega mask as well as M-211 Freedom One mask. Available in 0.5 diopter increments from -1.5 to -4.0 for left and right lenses.
|>||Available in Left and Right
|>||Negative Diopters: -1.5 ~ -4.0
|>||Compatible Masks: M2004, M2004QB, M-211, M-211QB|