1 / 7CADPXS Shield-550 Air Scrubber, 550 CFM, 3-Stage Filtration
The CADPXS Shield-550 air scrubber is listed with 550 CFM airflow and three-stage filtration for restoration, construction and other demanding cleanup settings. Its MERV-10 pre-filter, HEPA filter and activated carbon stage are intended to capture particles and help reduce odors and fumes, while its listed size and weight call for planning where it will be positioned.
At a glance
- Three filter stages combine a MERV-10 pre-filter, HEPA filtration and activated carbon, according to the listing.
- The maker positions it for construction dust, restoration work, smoke, odors and airborne fumes.
- Listing gives the unit's dimensions and weight, useful for checking placement before purchase.
Reference price: $469.66
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionOften bought together
Pros and cons
Pros
- Pre-filter is described as capturing larger particles before they reach the HEPA filter, potentially helping protect the finer stage.
- Activated carbon is intended to reduce odors and VOCs from sources such as paint, smoke, adhesives and cleaning chemicals.
- The stated 550 CFM and restoration-oriented positioning suit job-site and damage-remediation use cases.
Cons
- At 33.51 pounds and the listed dimensions, it requires more space and handling effort than a small room purifier.
- Customers report mixed noise experiences, with some describing louder operation at higher speeds.
Technical specifications
7 specifications| Listed airflow | 550 CFM |
|---|---|
| Filtration | 3-Stage Filtration |
| Pre-filter | MERV-10 |
| HEPA particle-removal claim | 99.97% of particles that have a size greater than or equal to 0.3 micrometers |
| Dimensions and weight | 24.2 x 15.2 x 22.9 inches; 33.51 pounds |
|---|
| Model | Shield-550 |
|---|---|
| Warranty claim | 10-year limited warranty |
What to know before buying
- The manufacturer claims the HEPA filter removes 99.97% of particles at least 0.3 micrometers in size. Treat this as a listing claim, not an independently verified measurement.
- Customer feedback also mentions awkwardly positioned controls and a usage meter that may continue logging while unplugged. Noise reports vary, so consider the work setting and operating speed.
Who is it for?
A good fit for
- Restoration contractors addressing water or fire damage and construction dust.
- Renovation or remediation work where particle filtration and odor reduction are both relevant.
- Buyers able to accommodate a commercial-style scrubber of the listed dimensions and weight.
Less suited to
- Buyers seeking a compact, lightweight purifier for easy room-to-room carrying.
- Noise-sensitive settings where louder operation at higher speeds would be disruptive.

Customer reviews on Amazon
- 5 stars
76% 76% - 4 stars
5% 5% - 3 stars
11% 11% - 2 stars
3% 3% - 1 star
5% 5%
Customer feedback describes the scrubber as a cost-effective alternative to big-brand units and praises its filtration and ease of filter replacement. Noise experiences vary, with some saying it is not noisy and others reporting loud operation at higher speeds. Controls and monitoring also draw mixed comments, including awkward control placement and a usage meter that reportedly continues logging when unplugged. For restoration or construction users, filter-change convenience may matter during ongoing work, while noise and control placement may affect where and how the unit is operated. The overall rating distribution is mostly five-star but includes lower ratings, so it does not establish uniform satisfaction.
Positive themes
- Customers praise the three-stage filtration.
- Customers describe filter replacement as easy.
- Some customers regard it as a cost-effective alternative to big-brand scrubbers.
Mixed feedback
- Customer reports about noise vary, especially at higher speeds.
- Feedback mentions awkwardly located controls and mixed experiences with monitoring.
Frequently asked questions
What filtration stages are listed for the Shield-550?
The listing describes three stages: a MERV-10 pre-filter, a HEPA filter and an activated carbon filter.
What kinds of work is this air scrubber intended for?
The manufacturer positions it for construction, renovation, water or fire damage restoration, and other commercial or industrial environments.
How much space should I allow for the unit?
The listed dimensions are 24.2 x 15.2 x 22.9 inches, and its listed weight is 33.51 pounds. Check the intended placement and handling route against those figures.
What do customers report about noise and controls?
Feedback is mixed. Some customers describe it as not noisy, while others report louder sound at higher speeds. Customers also note awkward control placement and concerns about the usage meter.

Alternative options

ALORAIR Air Scrubber HEPA with 3 Stage Filtration, 10-Year Limited Warranty | Stackable Negative Air Machine for Commercial, Heavy Duty Air Cleaner with MERV-10 Filter, HEPA/Activated Carbon Filter, Red
$372.73

Tailulu Air Purifiers for Home Bedroom with Washable Filter Up to 1600 Ft² | HEPA Air Purifiers Large Room for Pet Dander Smoke Odor Dust Pollen with Timer Fragrance Sponge Sleep Mode
$49.98

Dreame Pet Air Purifier AP10, Suck Up Floating Cat Dog Hair Dander, Gold | NeverChange 5.4-Year Filters for Odor Purification, 1346 ft² for Home Large Room, Pet-Friendly Design, APP & Voice Control
$149.99

GermGuardian Tower HEPA Air Purifier for Bedroom, Large Rooms, Home, Pets | Portable Air Purifier for Smoke, Dust, Air Quality Monitor, UV-C, 3 Quiet Speeds, AHAM VERIFIDE, Up to 743 sq. ft., 22"
$99.98

MEGAWISE Portable HEPA Air Purifier, Dual-Stage Filtration & VOC Sensor | Captures particles down to 0.3 micron, activated carbon for odor removal, 24-45dB quiet running, filter replacement reminder
$24.29

Smart Air Purifiers for Large Room, Cleans2,400 ft2 in 30 Mins, 3-Stage True HEPA, 360°Airflow, Smart WiFi App Control, Real-Time AirQuality (PM2.5) Display, Ultra-Quiet 20dB SleepMode, HAP602WF
$99.99

AZEUS True HEPA Air Purifier for Large Rooms, 5-in-1 Filter, Traps Particles down to 0.3 Microns, Centrifugal Fan High Speed, Auto Sensor, Quiet Sleep, for Home Office Bedroom Pets GL-FS32
$84.87

ALORAIR Air Scrubber with 3 Stage Filtration, Clean Shield Hepa 550, Blue | Stackable Negative Air Machine for Commercial, Heavy Duty Air Cleaner with MERV-10 Filter, HEPA Activated Carbon Filter
$399.99

CADPXS Shield-550 Air Scrubber 550 CFM for Water Damage Restoration, Red | 3-Stage Filtration Commercial HEPA Filter 10-Year Warranty for Construction Dust Fire Disaster Restoration Equipment
$469.66

2 Packs F301H HEPA Filter, AS-550 Air Scrubber Stage 2 HEPA 550 Air Filter Compatib...
$78.99

OdorStop OS500 Heavy Duty HEPA Air Scrubber
$699.99

ALORAIR MERV-10 Filter Replacement Set for CleanShield HEPA 550 Air Scrubber (10 Pack)
$122.90

























