Ridgid 4 gallon wet-dry vac

[SR99]

This seems to be a popular small-sized wet-dry vac around here. Do you need to buy a separate foam filter to use it as a wet vac or is it ready to go, out of the box?

(model # is WD4070)

[FUNX650]

This seems to be a popular small-sized wet-dry vac around here.

Do you need to buy a separate foam filter
to use it as a wet vac

or is it ready to go, out of the box?

(model # is WD4070)
Just one filter (paper)...Included.

Except for a couple of little caveats:
Ready to go!
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https://cdn2.ridgid.com/resources/media?key=c2202709-c6f6-410c-b903-ddaef9918e76&languageCode=en&countryCode=US&type=document

Operation (continued)...Pg.7

Vacuuming Dry Materials
1. The filter must always be in correct position at all times
to avoid leaks and possible damage to Vac.
2. When using your Vac to pick up very fine dust, it will be
necessary for you to empty the drum and clean the filter
at more frequent intervals to maintain peak Vac performance.

NOTE: A dry filter is necessary to pick up dry material.
If you use your Vac to pick up dust when the filter is wet,
the filter will clog quickly and be very difficult to clean.


Vacuuming Liquids
1. When picking up small amounts of liquid
the filter may be left in place.
2. When picking up large amounts of liquid
we recommend that the filter be removed.
If the filter is not removed, it will become saturated
and misting may appear in the exhaust.
3. When the liquid in the drum reaches a predetermined level,
the float mechanism will rise automatically to cut off airflow.
You will know that the float has risen because Vac airflow
ceases and the motor noise will become higher in pitch,
due to increased motor speed. When this happens,
turn off the Vac, unplug the power cord, and empty the drum.
4. After using the Vac to pick up liquids,
the filter must be dried to avoid possible mildew and
damage to the filter.

! WARNING: Do not operate without filter cage and float,
as they prevent liquid from entering the impeller and
damaging the motor.
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Bob

[SR99]

Thanks Bob, so I guess I'd run it without the filter in most cases. It looks like the only foam wet-vac filter that Ridgid sells doesn't fit this model anyway.

Not sure I like the idea of it sucking dirty water having unknown debris without any filter. Maybe I'll see if I can find a quick way to add a hunk of window screen to cover the inlet with so it will at least block any big stuff.

[whavens]

I also like to use the bags that are available for it. The inside of mine looks brand new.