Preserved, buffered, pH balanced solution.
Up to 24-month unopened-cartridge shelf life.
Deliver three minutes of solution.
Preserved, buffered, pH balanced solution makes this replacement cartridge an excellent choice for workplace safety. Cartridge has a long shelf life; up to 24 months unopened and six months activated. Easy-to-install cartridge takes less than five minutes to put in place. Cartridge delivers three minutes of clean, fresh saline solution.