Humidifiers Aquapak Sterile Water 028 Humidifier Adapter/1070 ml with 028 Adaptor Review Posted on March 11, 2018July 28, 2018Author TiredTulip Aquapak Sterile Water: Easy snap off trigger design. For Use With 040 Humidifier Adaptor and 028 Humidifier Adapter. Comes in multiple Ml capacities, and in cases of 10.