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 PetraTools HD4000 rates 3.9 among 4 gallons and up ones. The PetraTools HD4000 costs $179.01 less ($199.99 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.
PetraTools HD4000
A 4-gallon sprayer with battery and charger that runs all day on a charge, for homeowners and small crews spraying large lawns or acreage.
Amazon $199.99$199.99
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 | PetraTools HD4000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 25% | 15 $94.75 per gallon of tank ($379, 4 gal) | 56 $50 per gallon of tank ($199.99, 4 gal) |
| Tank size 10% | 67 4 gal tank | 67 4 gal tank |
| Spray power 20% | 100 50 ft horizontal reach | 79 up to 90 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 | 75 battery and charger included, adjustable pressure, 4 or more nozzles, gauge or control panel |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Prorun PMB2884 | PetraTools HD4000 | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 4 gal |
| Max pressure | - | 90 PSI |
| Horizontal reach | 50 ft | - |
| Airflow | 1,020 CFM | - |
| Nozzles included | 3 | 6 |
| Wand length | - | 34.5 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 |
| Agitator | - | No |
| Gauge or control panel | - | Yes |
| Adjustable dosage | Yes | - |
| Dusts powders | Yes | - |
| Anti-vibration | Yes | - |
| Build | ||
| Warranty | 3 years | - |