What are your thoughts from vacuum water filter?

I was thinking of getting one of those as seen on TV, I am a victim of allergy and the need for more efficient to get rid of dust mites, bacteria, etc..

They are very good .... just a little dirty to clean.

AllergyBuyersClub.com on Designing Spaces Episode: Think Green with Allergy Home Products - Vacuums, Steam Cleaners, Air Purifiers

Eureka 313A Enviro Hard-Surface Floor Steamer $67.54 Includes EnviroSteamer™ Lightweight Cleaner (Blue) - 313A, Magic Cloth, Additional Tools...

Hoover SteamVac Carpet Cleaner with Clean Surge, F5914-900 $179.99 This powerful home steam vacuum saves you the expense and hassle of having to rent a steam cleaner and keeps rugs, upholstery, and bare floors (other than hardwoods) looking like new. The powerful 12-amp motor combined with five spinning brushes that operate at either high or low speed lift the usual dirt and grime out of carpets. By pulling on the trigger in the comfortable upright handle, this d...

Hoover Tempo Widepath Upright Vacuum, Bagged, U5140-900 $74.16 Hoover Widepath Tempo Upright...

Hoover WindTunnel Agitator Belt, 2-Pack, 40201160 $0.01 A package of 2 replacement vacuum belts for use with the U5445-900 vacuum...

Shop-Vac 9032800 Ridgid Replacement Cartridge Filter $12.93 The Shop-Vac replacement cartridge filter is designed for Rigid and Craftsman wet/dry vacuums. For wet and dry use, this replacement filter fits all tanks six gallons on up....

Shop-Vac 9039800 Small Cartridge Filter $7.09 Ideal for dry pick up, the Shop-Vac cartridge filter fits a 5-gallon tank, and is specifically designed for the Hang Up wet/dry vacuum. Its high airflow keeps the debris inside the tank, while filtering the exhaust air. This black filter can be lightly washed, but must be air dried prior to re-installation on the ball-float cage....

Euro-Pro Shark S3501 Deluxe Steam Pocket Mop $99.45 Product Features Lightweight steam mop for cleaning sealed hard-floor surfaces Ready in 30 seconds; releases steam with push-forward motion of mopping Leaves floors virtually dry; extra-large water tank; no toxic chemicals required Measures 7 by 13 by 51-1/2 inches; 1-year limited warranty Quick, easy, lightweight and ergonomic. The shark steam mop deluxe is ready to use in 30-seconds. Safe to use...

Bissell 2X Pet Stain and Odor Advanced Formula, 32 Ounces, 74R7 $8.45 2X Little Green Pet - 32oz....

Honeywell UC100E1006 Replacement UV Bulb $64.99 Honeywell UC100E1006 Single Replacement UV Bulb (Bulb only- no handle) The UC100 Ultraviolet Air Treatment System Replacement Lamp is for use with the UV100 Ultraviolet Air Treatment System. Description Replacement SnapLamp for UV100E1001 and UV100E1043, blue handle. Application Type Replacement Lamp Electr...

Honeywell UV100E2009 Whole House Ultraviolet Air Treatment System $416.69 Description SmartLamp Ultraviolet Air Treatment System, Dual Lamp Return Air Model Application Type Return Air Application Contaminants Reduced Airborne Bacteria Electrical Ratings 120 Vac Electrical Rating (Watts) 36W each ...