THE SAFEGUARD 360 TRUE (HIGH EFFICIENCY PARTICULATE AIR) H13 PATENTED FILTER US PATENT NO. 7048773 IS MANUFACTURED IN THE USA. THE SAFEGUARD 360 FILTER IS 99.97 EFFICIENT AT 0.3 MICRONS AND THE DESIGN MAKES THE FILTER SAFE SIMPLE AND SECURE. SAFE THE SAFEGUARD 360 H13 FILTER PROVIDES SAFETY TO THE USER AS THE HOSE CONNECTS DIRECTLY TO THE FILTER ALLOWING A COMPLETELY CLOSED SYSTEM. THE H13 FILTER IS 99.97 EFFICIENT AT 0.3 MICRONS OR LARGER AND CAN HANDLE MOST DRY HAZARDOUS PARTICULATE APPLICATIONS. THE SAFEGUARD 360 FILTER COMES WITH A FILTER PLUG TO ELIMINATE EXPOSURE FROM LEAKING OR SPILLING OF VACUUMED CONTENTS DURING TRANSPORT AND STORAGE. SIMPLE THE SAFEGUARD 360 FILTER IS DESIGNED FOR QUICK AND EASY FILTER CHANGE OUTS. THERE ARE NO SECONDARY OR TERTIARY FILTERS TO CHANGE ELIMINATING CROSS CONTAMINATION. THE FILTER IS DESIGNED TO BE REPLACED WHEN FULL. BY SEALING THE FILTER WITH THE PROVIDED PLUG YOU CAN EASILY AND SAFELY REMOVE THE FILTER BY THE EASY PULL TABS LOCATED ON THE ENDS OF THE . SECURE NO BAGS NO MESS AND NO EXPOSURE TO THE CONTAMINANTS OR DEBRIS WITHIN YOUR VACUUM. WHEN FINISHED CLEANING YOU CAN FEEL CONFIDENT DEBRIS WAS CAPTURED AND SECURED WITHIN THE FILTER KEEPING THE USER SAFE AND THE VACUUM CLEAN. THE ONE-GALLON FILTER IS DESIGNED WITH 56 PLEAT MATERIAL WHICH CONSISTS OF ONE CELLULOSE LAYER ONE HIGH PERFORMANCE GLASS SILICATE LAYER AND ONE POLYESTER LAYER. THE PLEATED MATERIAL IS DESIGNED TO HOLD MORE DEBRIS AND SECURE THE CONTAMINANTS WITHIN THE . SAFEGUARD 360 H13 FILTER SKU OF612HE ALL SAFEGUARD 360 FILTERS ARE COMPATIBLE WITH THE OMEGA SERIES VACUUMS.