Feature(may vary by option.)

●Use them separately. 90304 filter replacement is used for dry floor and 90585 foam filter is used for wet floor.
●Please check your old filter size before purchasing. The replacment filter for shop vac is similar to other vacuum filter.
●90304 filter & foam sleeve filter compatible with shop-vac 5-gallon and up wet/dry vacuums SS11-450, LB650C, 4045AH, SS12-300A 800, compare to part# 90304 90585.
●5 gallon filter for shop vac compare to Part # 90304, 9030400, 903-04-00, 903-04, 905-85-00, 90585, 9058500, 90585-00, 905-85.
●6 gallon filter for shop vac is compatible With Shop-Vac Type U 9030400, Type X 9035000, Type W 9034000 Filters, models BLB450, SSP16-500A, SSP16-600C, SS12-350A, SS14-450, SS16-SQ550, SS16-SQ650, 86MTSQ550.
●10 gallon filter for shop vac is compatible With Shop-Vac 90340, SL16-575A SS11-450, SS12-300A, SS14-350A, SS14-550A, SS14-600C, 16RT500A ,16RTP550A, 4045AH, 85L450, 85L575, SS16-450, SS16-550A, SS16-650C, 86EM350, 86L500A 86M350, 86MT600C ,86ST450, 87L500A ,87L650C, 87M350, 87P500A, 87P650C, 92L550A, 92L650C, 92P650C, BLB550, BLB560C, CH87-650C, LB650C, MSC85EM300, MSC85L450, MSC85L500, MSC85L600C, MSC85M250B, MSCQPL55, MSCSS12-250.

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