The Bissell Pet Hair Eraser Vacuum is available in three styles: upright, canister, and handheld. According to Vacuum Cleaner Advisor, the Bissell Pet Hair Eraser "seems to be another vacuum in the line of 'love it or hate it' vacuums," with some consumers saying "it does a great job, has fantastic suction, and is a good value for money. for the money", and others experiencing problems with some aspects of the vacuum's efficiency, structure and functionality. (reference 1http://vacuum-cleaner-advisor.com/Bissell-Vacuums /Bissell-Pet-Hair-Eraser-Review.html) Bissell 3920 Pet Hair Eraser Vacuum ReviewSuctionThe suction of the Bissell Upright Pet Hair Eraser is criticized by some users who say this vacuum doesn't pick up as well dirt on hard surfaces than on carpets and that over time the suction power decreases Unfortunately, the power and suction levels cannot be adjusted when vacuuming different surfaces such. such as delicate rugs, heavily soiled carpets, or bare floors,” according to the Vacuum Cleaner Rating Guide (reference 2 http://www.vacuum-cleaner-ratings-guide.com/pet-hair-eraser.html. ) ConsumerSearch gives the Bissell Pet Hair Eraser Handheld Vacuum "mixed reviews on picking up pet hair" from carpets. (reference 3 http://www.consumersearch.com/handheld-vacuums/bissell-pet-hair-eraser-corded-hand-vacuum) Vertical Parts and Features Some consumers commented that the vacuum had "poor assembly instructions » and that emptying the dust bin was complicated, according to the vacuum cleaner advisor. (http://vacuum-cleaner-advisor.com/Bissell-Vacuums/Bissell-Pet-Hair-Eraser-Review.html)The Bissell vacuum does not offer any way to turn the brush roll on or off, and this, while a brush roller rotates. ..... middle of paper ...... passages or stairs. The hand vacuum's Hepa filters work well at capturing allergens, but they are not reusable.AccessoriesThe accessory holder on the upright has been described as flimsy. The vertical version does not have a removable cartridge. Although removable canisters are not found on many studs, they can be a handy feature for using your accessories on furniture, window coverings, stairs, and narrow spaces. Weight and Size Storing the Bissell Pet Hair Eraser can be difficult for some people because it is a bulky machine with a handle that does not fold down. At 25 pounds, the upright vacuum is heavier than average and was described as "heavy and bulky" by the Vacuum Cleaner Report. (http://vacuumcleanersreport.com/type-of-vacuum/upright-vacuum-cleaners/ bissell-3920-pet-hair-eraser-double-cyclonique-vacuum-vertical/)