Prorun PMB2884
#1 in Mist blowersFull review
A big 75.6 cc three-in-one mist blower, for owners who want the longest throw for the price.
Amazon $379$379
The Prorun PMB2884 rates 4.0 among mist blowers battery backpack sprayers; the My4Sons M4 4.5 Gallon rates 3.1 among 4 gallons and up ones. The My4Sons M4 4.5 Gallon costs $129.01 less ($249.99 vs $379).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
My4Sons M4 4.5 Gallon
A well-equipped 4.5-gallon sprayer with a big nozzle kit and an extendable stainless wand, for homeowners who spray many different products.
Amazon $249.99$249.99
Scores side by side
These two sit in different type classes (mist blowers and 4 gallons and up), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Prorun PMB2884 | My4Sons M4 4.5 Gallon |
|---|---|---|
| Overall rating | 4.0/5 | 3.1/5 |
| Value 25% | 15 $94.75 per gallon of tank ($379, 4 gal) | 49 $55.55 per gallon of tank ($249.99, 4.5 gal) |
| Tank size 10% | 67 4 gal tank | 83 4.5 gal tank |
| Spray power 20% | 100 50 ft horizontal reach | 71 up to 80 PSI |
| Runtime or airflow 20% | 100 1,020 CFM airflow | 0 runtime not published, scored as zero |
| Features 15% | 100 adjustable dosage, dusts powders or granules, anti-vibration | 80 battery and charger included, adjustable pressure, 4 or more nozzles, metal wand |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Prorun PMB2884 | My4Sons M4 4.5 Gallon | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 4.5 gal |
| Max pressure | - | 80 PSI |
| Horizontal reach | 50 ft | - |
| Airflow | 1,020 CFM | - |
| Nozzles included | 3 | 9 |
| Wand length | - | 48 in |
| Hose length | - | 60 in |
| Power | ||
| Battery | Gas engine | 12 V 8 Ah, included |
| Engine | 75.6 cc | - |
| Run time per fuel fill | 70 min | - |
| Features | ||
| Adjustable pressure | - | Yes |
| Metal wand | - | Yes |
| Agitator | - | No |
| Gauge or control panel | - | No |
| Adjustable dosage | Yes | - |
| Dusts powders | Yes | - |
| Anti-vibration | Yes | - |
| Build | ||
| Warranty | 3 years | - |