(HEPA Filters) Class of air filters which meet a minimum performance level of 99.97% on 0.3 microns efficiency. (This is only an efficiency test and may not show small pin holes or leaks.) In the cleanroom market HEPA is normally rated at 99.
A high efficiency particulate air , or HEPA , filter is a type of high-efficiency air filter.
Filter that traps airborne particles by forcing air through very dense mesh.
Dirt Devil is a brand name of household vacuum cleaners and floor care. There are two main units: Power for large houses, and RV unit for smaller houses or apartments, as well as a number of other floor care products including hand-held vacuum cleaners and carpet shampooing machines.
A space or container from which the air has been completely or partly removed
A gap left by the loss, death, or departure of someone or something formerly playing a significant part in a situation or activity
void: an empty area or space; "the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum"
A space entirely devoid of matter
clean with a vacuum cleaner; "vacuum the carpets"
the absence of matter
The Four Non-Vivaldi Seasons
Upon purchase of my new Dirt Devil vacuum, found these 4 Seasonal Scented HEPA Filters included. Not too chemically and just right - I think cinnamon came pre-installed. Pretty nice smell, and cute icons too.
12amp Dirt Devil Featherlite Bagless 50 Great deal!
w/ motorguard, automatic height adjust, scuff guard, HEPA filter (it's still good for a while), and easy push swivel casters.
Also, attachments and original booklet. LOVE this vacuum. Works great!