Rexair LLC

D4 (D4C, D4C Special Edition)

Rexair LLC D4 (D4C, D4C Special Edition)

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Overall

#236 in

Vacuum Cleaners

according to Reddit Icon Reddit

Sentiment score70% positive
7
1
2
Last updated: Jun 30, 2026

Reddit Reviews

Reddit Iconawooff
5 months ago

Having a vacuum expel fresh air at every vacuuming is the selling feature of rainbow - disagreeing with the "filter will be dirty" statements as our filter on e series stayed white/clean after 5 years of use so removed it (yes cats and dogs)! Mom has this e series but does take very good care and long term rainbow owners as well. The problem is where to dump a half gallon of debris filled water!(i use an 1984 rainbow with large water pan) Not wanting the sewer line to plug nor having to scour out toilet again - outside dimping is the easiest answer but it does pile up using the same spot everytime and is an eyesore. My current home is too small to set up and tear down a rainbow daily. A Bagged hepa vac is my daily driver typically.

8 months ago

Unless the brushroll and belt on your sebo is lifetime - do one or both need replacing? Also if the sebo bag was 3/4 full - your not getting great suction. Rainbow salesman arrived and was frustrated as hell that he couldn't get ANYTHING out of my plush carpet (2 dogs and 2 cats indoors)! -At that time i had been using a well maintained 25 yo rainbow! Sort that as you like. Kirbys and royals clean carpet very well. Although i have never used a sebo yet i see the high favor here.

Reddit IconPhotosafarian
6 months ago

Got a D4 several months ago. I couldn’t be more satisfied. After I vacuum, the carpets just look clean, I can’t explain it. They just look clean. That bag will take forever to fill up, and especially with pet hair, you might get a little odor. Vacuum up some coffee beans, and that should take care of the odor. Congratulations!

Reddit Icon1luckie2luckie3
7 months ago

I have two GSD, females, 9 & 10 years old and I grew up with German Shepherds. I have a Royal, (Kirby), and a Rainbow water base vacuum. Rainbow is expensive, but will last 30 years, no joke. My mother had one for 36 years. After 36 years, my dad took it over and used it in his garage. I bought a used Rainbow from E-Bay 17 years ago. It works great on dog hair. Great suction! Good luck.

Reddit IconArmyjeep4x4
5 months ago

I'm a vacuum enthusiast and refurbished two Rainbows. I can confirm that filling the basin with water, emptying it mid-vacuum and then cleaning the basin and water separator after each use is a pain. I prefer to grab my Sebo and get the job done without any hassles (changing a bag is not a hassle). The E3 is the sweet spot in the Sebo canister lineup, its portable enough to carry upstairs and if your stairs are carpeted it will tackle that job too. I recommend the handheld turbo brush for upholstery and carpeted stairs and an upgraded bare floor tool like the premium parquet or the turn and clean style parquet brush.

Reddit IconDarkVixen81
about 2 months ago

I will get flack for this, but I love my Rainbow. Works great with 3 cats and teenagers.

Reddit IconEnvironmentOk2700
2 months ago

I like my Rainbow better than the shop vac. It just works better. But the shop vac is nice to have around my old house for stuff like drywall and lead paint chips

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