I have an old 10-gallon Shop-Vac, Genie Model # SV300Q which needed a filter for dry use operation.  I ordered this Shop-Vac 903-03-19 Genie Vac Filter from Amazon for $15.95.  Some reviewers stated it would fit my model.

The filter is very large and pleated having a huge surface area to maximize airflow.

Genie Shop-Vac Model # SV300Q

Black Retaining Cap on Left, Shop-Vac 903-03-19 Genie Vac Filter on the right.

Black Cap removed from Shop-Vac. The filter won’t fit on Shop-Vac if the black cap is removed.

Foam filter with retaining ring (for wet applications)

I removed the foam filter and retaining ring and black cap insert from my shop-vac and tried to place the new filter on but it would not fit.  I put the black cap insert back on the shop-vac (without the retaining ring used for the foam filter).  Now the new filter slid on snugly.  I don’t have the manual for the shop-vac and I only used it over the years to vacuum water so I didn’t realize exactly how to do this.  You need that black cap thing to retain the ball, anyway.

I tested the vacuum and the suction was very strong.

I am using a modified dust collection bag on it as well so as to protect the new filter from getting quickly clogged with fine sawdust.  Now if they only made a dustbag that would fit it without modification.  If anyone knows of one, please let me know.

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