Twin Ply Microfiltration Dust Bag-3 Bags THIS SHARP 3 PACK IS DESIGNED TO WORK WITH SELECT SHARP VACUUM CLEANERS. FOR OPTIMUM PERFORMANCE CHANGE YOUR BAG EVERY 1-2 TO MONTHS. FULL BAGS LEAD TO REDUCED SUCTION AND INHIBIT THE CLEANING PROCESS. TO MAXIMIZE LIFE SPAN, STORE IN A CLEAN, DRY Works with the following models: Sharp EC03PU2, Sharp EC12SWC, Sharp EC12SX2, Sharp EC12SX3 Sharp EC12SX6, Sharp EC12SXT2, Sharp EC12SXT4, Sharp EC12SXT4B, Sharp EC12SXT5, Sharp EC12TBC