Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles) vs Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles)
People who want a plug-in countertop flosser with a large tank and a dial
A mains-powered countertop water flosser with a 550 ml tank, two modes, ten intensity settings on a dial and a magnetic handle dock. Philips serves a Power Flosser booklet for it whose model-number note points at HX37XX, so confirm details against the plate on the base.
Published specifications
- Listing: model HX3811/20; Philips Sonicare; white, two nozzles
- Listing and maker page: 550 ml reservoir; plug-in countertop base
- Manual: two modes, Clean with pacer and Deep clean with pulses
- Manual: ten intensity settings on a dial; start at the lowest
- Manual: F1, F2 and F3 nozzles; replace every six months
- Manual: two-year warranty; reservoir and nozzles excluded
Strengths
- Large 550 ml tank with a ten-step intensity dial on the base
- Magnetic handle dock with auto shut-off, per the maker page
- Manual answers the mouthwash and nozzle-compatibility questions directly
Caveats
- Philips serves a manual for it whose model-number note says HX37XX
- Warranty excludes the reservoir and the nozzles, the parts that wear
- Needs mains power and weekly cleaning, plus periodic vinegar flushes
Read the full Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles) guide
Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White)
People who want the flosser and an electric toothbrush sharing one base
A countertop Power Flosser with four modes, ten intensity settings and a magnetic handle dock, combined with a Sonicare ExpertClean 7300 toothbrush that charges on the same base. Neither the listing nor the maker page states a tank size, and the brush has a separate manual.
Published specifications
- Listing: model HX3921/40; 8.62 x 7.48 x 10.43 in; 3.27 lb
- Manual: four modes, Clean, Deep clean, Sensitive and Massage
- Manual: ten intensity settings on a base dial; start at lowest
- Manual: F1, F2 and F3 nozzles; only Philips flosser nozzles fit
- Manual: integrated Sonicare toothbrush charger on the same base
- Manual: two-year warranty; reservoir and nozzles excluded
Strengths
- Flosser and toothbrush charge and live on one countertop base
- Four modes plus a ten-step dial, with a pacer you can switch off
- Nozzle storage case included in the manual's parts and cleaning lists
Caveats
- No reservoir capacity stated on the listing, maker page or manual
- Listing's detail table says a 9V battery is required; manual does not
- Warranty excludes the reservoir and nozzles, the parts that wear
Read the full Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White) guide
How to choose between them
Choose the Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles) if your situation matches: People who want a plug-in countertop flosser with a large tank and a dial. Its main caveat: Philips serves a manual for it whose model-number note says HX37XX.
Choose the Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White) if your situation matches: People who want the flosser and an electric toothbrush sharing one base. Its main caveat: No reservoir capacity stated on the listing, maker page or manual.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Philips product page for the Sonicare Countertop Power Flosser 5000 HX3811/20 Source for Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles)
- Philips support page for HX3811/20, listing the User Manual Source for Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles)
- Philips Sonicare Power Flosser User Manual served for HX3811/20 (PDF) Source for Philips Sonicare Countertop Power Flosser 5000, HX3811/20 (White, 2 Nozzles)
- Philips product page for the Sonicare Power Flosser 7000 System HX3921/40 Source for Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White)
- Philips support page for HX3921/40, listing the User Manual Source for Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White)
- Philips Sonicare Power Flosser 7000 User Manual (PDF) Source for Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 (White)
Primary sources checked .