Removes protein for gas permeable contact lenses. 12 week supply. Same trusted formula now easier to use. 12 sterile single-use dispensers 0.01 fl oz ea (0.3 mL ea). For use with all Boston Conditioning Solutions: Boston Advance Comfort Formula Conditioning Solution Boston Original Formula Conditioning Solution. The easiest way to remove protein deposits weekly from your RGP lenses just got easier. New ComfortHold Dispenser: bigger etched tab is easier to grasp; larger bulb is easier to hold; curved bulb is easier to squeeze.Other products from HerbsPro