SureGard Respiratory Filters The SureGard Respiratory filters have been the most trusted bacterial and viral filter on the Australian and New Zealand markets for over 2 decades. FACT 1 Made from 100% recyclable ‘Eco Friendly’ Polyproplyene plastic. FACT 2 Employs a 200gram Tech Electrostatic HyperGard® filter media, unlike clinically inferior filters which employ a less … Continue reading Respiratory Filters