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 Agitator rates 3.7 among 4 gallons and up ones. The My4Sons M4 Agitator costs $79.01 less ($299.99 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 Agitator
The M4 with a built-in agitator, for anyone spraying powders or mixes that settle in the tank.
Amazon $299.99$299.99
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 Agitator |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Value 25% | 15 $94.75 per gallon of tank ($379, 4 gal) | 30 $75 per gallon of tank ($299.99, 4 gal) |
| Tank size 10% | 67 4 gal tank | 67 4 gal tank |
| Spray power 20% | 100 50 ft horizontal reach | 71 up to 80 PSI |
| Runtime or airflow 20% | 100 1,020 CFM airflow | 100 50 tanks per charge (200 gal) |
| Features 15% | 100 adjustable dosage, dusts powders or granules, anti-vibration | 90 battery and charger included, adjustable pressure, 4 or more nozzles, metal wand, agitator |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Prorun PMB2884 | My4Sons M4 Agitator | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 4 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 |
| Runtime per charge | - | 6 hours |
| Gallons per charge | - | 200 gal |
| Tanks per charge | - | 50 |
| Engine | 75.6 cc | - |
| Run time per fuel fill | 70 min | - |
| Features | ||
| Adjustable pressure | - | Yes |
| Metal wand | - | Yes |
| Agitator | - | Yes |
| Gauge or control panel | - | No |
| Adjustable dosage | Yes | - |
| Dusts powders | Yes | - |
| Anti-vibration | Yes | - |
| Build | ||
| Warranty | 3 years | - |