Daisy
Last Updated: Feb 9, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Accurately measures peak expiratory flow rate (pefr), or how quickly air is leaving lungs
Instant readings help track changes in air flow
Compact design for Discreet use
Assists detection of pending asthma attack
Dual flow range accurately measures for both adults & children
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| T & C Ventures | 9.84 | ❌ | ❌ | ❌ |
STRENGTHEN your respiratory muscles with this lung exerciser. Works both your inspiration and expiration muscles and helps increase your level of activity and exercise. Very effective in asthma and building stamina.
Single Patient use device that measures how fast air leaves the lungs when you blow forcefully after fully inhale. Keep track to help know if your respiratory symptoms are worsening or not
Perfect for Athletes and Exercise, oxygen users and asthma. Dual flow range accurately measures for both adults & children. Instant readings track changes in air flow for detection of asthmatic issues
AsthmaMD App: We proved a Free app for accurate monitoring of your asthma. Manually enter the highest of your 3 readings. You can email your log to yourself or your doctor.
Created by a Doctor for Better Asthma Control. Includes Full Range Peak Flow Meter, Instructions, Paper Asthma Log, and Free Download Tracking App. Easy to use, clean, carry and store.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Serenity Satchel | 9.54 | ❌ | ❌ | ❌ |
240 Memories for Children & Adults with Date & Time stamp
Peak Flow and FEV1 monitoring for asthma, COPD & other lung diseases
Meets American Thoracic Society Standards
Stop Light Risk Indicator, Tracking & Analysis software
3 Washable Mouthpieces and Washable Wind Tube - The wind-tube and mouth-pieces are removable for easier cleaning, reconnect fully and blow to take measurements
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| tanus | 9.69 | ✅ | ✅ | ✅ |
INSTRUCTIONS -- This gas meter is connected to hose to measure unidirectional gas flow
MADE OF HIGH QUALITY ACRYLIC -- Made of high quality acrylic, it is transparent and can hold up to 0.6MPa pressure
IT IS SIMPLE TO USE -- It is simple to use, and has 8mm barbs for convenient connection to hoses
MEASURABLE GAS -- Can measure blast furnace gas, coke oven gas, coal gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine gas, methane, carbon dioxide, oxygen, compressed air, argon
MAINLY USED FOR -- Mainly used for detecting the oxygen flow, control oxygen flow and can be used in industry
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Digital peak flow meter with green backlight: large PEF and FEV1 font for easy viewing, Get high accuracy and fast PEF and FEV1 readings in just one second
Connect it to your Smart phone via Blue-tooth to transfer data in real-time, with 300 memories to review your records or sync data from the device to your phone
Free Professional management APP provided: ⭐shows green, yellow and red zones instantly after blowing, ⭐allows you to pick up triggers, symptoms and medications to create your Asthma action plan. ⭐provides ACT values for both children and adults for better monitoring. ⭐offers the predicted value and blanks for you to input your personal predicted value there
Automatically generate your asthma diary chart based on the records on the App
Re-chargeable with high repeatability. Two washable mouthpieces provided for better adaptation. Suitable for ages 4+, adults
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cgoldenwall Store | 9.82 | ✅ | ✅ | ✅ |
Reliable After-sale Support: for any problem with your flow meter, please contact our after-sale support team for proper solution. note that your purchase is not the end of the trade, but the begining, please trust us to make your money valued.
NOT WATER PROOF: the LCD is easily damaged by water things, LCD is the most part for the flow meter, please try to keep the LCD dry, and if there is any damage of the flow meter, please contact us for LCD replacement.
EASY TO SETUP: this flow meter is featured by its light weight and compact size, easy to install and set up. No complex operation required, can read the read instantaneous flow rate, single cumulative flow and total cumulative flows. Please don't worry for the battery consumption if the flow meter keeps light on, it's our design.
TECHNICAL PARAMETERS:① diameter of water inlet: 32mm; ② max. working pressure: 0.6MPa; ③ the flow speed requirenment for tested liquid: 2.5~26 gal/min; ⑥ max temp of tested liquid: 158°F/70°C; ⑦ Accuracy: ±1% ; ⑧ NO batteries inclued; ⑨ units for option: gallon, liter, pint and quart
WIDE APPILICATION: the flowmeter can be used for meauring the flow rater of water,diesel, kerosene, gasoline; can be installed on the pipe line or used on the fueling nozzle for metering. NOTE: if the flow rate of the tested liquid is lower than 2.5 gal/min, the readings will be inaccurate.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Allergy Be Gone | 9.64 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Your nasal care | 5.56 | ✅ | ✅ | ✅ |
⭐【Upgraded home electronic Bluetooth spirometer】 - Uses air pressure sensor technology for accurate and reliable readings, offers Bluetooth capability to transfer data to your device to help you monitor your lung condition at home at any time.
⭐【Easy to read】 - Quick 1-second readings after exhalation without waiting and a large backlit LCD screen for clearer data display.
⭐【Ease of use】 - The device is light enough to take on the go, with a frosted texture body and sensitive buttons. Comes with a replaceable ABS heat resistant mouthpiece that is easy to clean and disinfect.
⭐【Easy to track your asthma】 - The device can automatically record up to 300 readings and can automatically define your readings into red, yellow and blue zones for better management of your condition, as well as generating an asthma log on the app to export pictures or tables of your data trends to send to your doctor.
⭐【Instrument packages】 - A peak flow meter, an instruction manual for the device and instructions on how to connect to our app, and two washable mouthpieces for your convenience.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Nascool | 2 |
| Cgoldenwall | 1 |
| Hilitand | 1 |
| Microlife | 1 |
| Mini-Wright | 1 |
| Omron | 1 |
| Quest | 1 |
We've carried out a comprehensive analysis of 5,950 reviews on peak flow meters, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select peak flow meters priced around $32.65, with top brands including and
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