Stericlens Sterile Saline Spray Stericlens Sterile Saline Spray is used for the topical irrigation & cleansing of wounds. The preservative free formula can be used multiple times with minimal wastage & is supplied in a convenient aerosol that will spray in any position, even if held upside down. It features a narrow spray to help remove debris & bacterial matter without touching the wound, helping to maintain good hygiene & infection control.