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DefendAir™ EX

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The Evolution of High-Efficiency Air Filtration Lighter, smarter, safer and more adaptable. The new Dri-Eaz DefendAir EX sets the new standard for portable air scrubbers. It provides up to four stages of air filtration, including a final-stage high-efficiency primary filter that utilizes HEPA-media. It's the most advanced filtration system in the industry, designed specifically for Dri-Eaz by the experts at 3M! 

Scrub the Air for Water Damage Restoration The high-velocity airflow of TurboDryers can saturate the air with microscopic contaminants from wet carpet and pad. Use the DefendAir EX on every water damage job to reduce these particles for improved indoor air quality. Negative Air Machine for Remediation Balance your pressure differential on remediation jobs with the adjustable CFM of the DefendAir EX. Duct air out of containment areas and through the multiple-stage filtration system to prevent cross-contamination of clean spaces. 
Incredibly light at 49 pounds! Co-designed with 3M! Up to 4-stage filtration Final-stage high-efficiency primary filter Variable CFM for use with containment Intelligent filter change indicator lights Rugged ABS housing Easy to service and clean.


Model F258
Height 39" / 99 cm
Width 23" / 58 cm
Depth 19" / 48 cm
Use Weight 49 lb / 22.2 kg
CFM Rating (Min) 100
CFM Rating (Max) 504
CFM Rating
(Free Air) 980
Blower Type Motorized Impeller
Power 115V 2.5 amps
Filter System Up to 4-Stage: 3 pre-filters + high-efficiency primary filter
Primary Filter High Efficiency; filter media meets HEPA standards (99.97% at 0.3 microns) when tested according to IES-RP-CC001.3; capable of 99.5% at 0.3 microns when installed in unit. Pre-Filters 16" x 16" x 1" / 40.6 x 40.6 x 2.5 cm
Housing Thermoformed ABS
System Indicator Lights Two (2): Pre-Fi lter change and Primary Filter change
Handle Yes
Wheels Yes
UL Listed Yes

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