BoiE Certified Training & Equipment


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BoiE Ozone Generators, Hydroxyl Generators & Training
  • Safe to View 368-nm UV-A Black Light
  • Direct Injection Hydroxyl Accelerator
  • Straight-blade Inlet and GFCI Outlet
  • Wide track wheels, Extending Handle
HYDRA QUAD XL Hydroxyl Generator 4-Optic
Powerful, with Air Scrubber, Safe for All Occupied Areas

$4,995 Buy

Click to order

Great for Mold Remediation and Water/Fire Restoration Companies
PCO Hydroxyl Generator with 4 Optics, Treats Up to 4,000 sq ft

BoiE Hydra Hydroxyl GeneratorsThe BoiE Hydra QUAD XL combines the benefits of a portable HEPA air scrubber, a PhotoCatalytic (PCO) hydroxyl generator and a quiet but powerful fan to create a unique solution for indoor air purification. The unit can be placed inside any home or business and operated continuously to control odors, allergens and the spread of airborne viruses. The QUAD XL can also break apart odors from fire and smoke, category 2 & 3 water losses, chemical fumes, fuel oil and VOCs.

Designed for homes, businesses and restoration service companies, the HYDRA QUAD XL provides a safe alternative to devices that generate ozone or require a treatment area to remain unoccupied or monitored for byproducts. The HYDRA QUAD XL is safe to use around infants, small children, the elderly and immuno-compromised individuals and has no need for external ventilation. It does not produce ozone or any dangerous by products. The optics, while shielded, are safe-to-view and do not generate excessive heat.

EPA-registered EstablishmentThe rugged QUAD XL is equipped with a 2-layer HEPA filter that reduces odors and removes larger contaminants. Next, the air passes through a UV light-activated catalyst that safely generates hydroxyls that neutralize additional contaminants. The resulting byproducts are harmless carbon dioxide and water, leaving nothing but fresh, clean air. The Hydra QUAD XL's safe operation make it a great choice to leave running 24-7 at occupied job sites or in homes and businesses.

How the Technology Works:
Hydroxyls are highly-reactive (radical) molecules formed naturally when UV light from the sun splits apart water molecules in the air. The resulting hydroxyl radicals instantly oxidize pollutants nearby. Hydroxyls are nature's primary method of cleaning contaminants from the atmosphere using only sunlight and water vapor. Artificially-generated hydroxyls perform the same cleansing function on indoor air and cause no harm to occupants or materials.

The Hydra QUAD XL uses PCO technology to attack and kill bacteria and viruses including corona-type viruses but is completely safe to operate continuously. A 2020 study suggests that COVID-19 can circulate in the air for up to three hours.¹ UV light alone will not destroy viruses circulating in the air; HEPA filtration cannot trap something as small as a virus, but PCO technology has been proven to kill viruses on contact.² Note that while no air purification system, can universally prevent coronavirus (including COVID-19) infections, it is critical to take what steps you can and to follow government hygiene guidelines.

Odors from flooding, mold spores, cigarette smoke, fire damage, sewage spills, off gassing, bacteria, body odor, decomposition and airborne viruses are all safely broken down by a hydroxyl generator until all that remains is carbon dioxide and water.

Since hydroxyls result from water vapor, hydroxyl generation requires relative humidity (RH) in the air. The Hydra QUAD XL solves the low-humidity problem by generating and transferring water vapor to a direct injection manifold inside the machine that evenly distributes the vapor over the optics to maximize hydroxyl production.

PCO Hydroxyl Generation (Always Safe). The QUAD XL harnesses the power of water, UV light and a catalyst to safely generate hydroxyls that neutralize odors, break down bacterial spores and pathogens, leaving fresh, clean air. PCO mode can be used with or without the included water vapor injection system, depending on site conditions. The resulting byproducts are harmless carbon dioxide and water.

PCO hydroxyl generation, originally developed by the National Aeronautics and Space Administration (NASA) to purify air onboard a space station, is ozone-free and safe to use indoors for continuous operation. Photocatalytic Oxidation is FDA-approved for use in Class II medical devices such as air purifiers, N95 respirators and infusion pumps. The Hydra QUAD has a 4-optic 368-nm UV-A (black light) hydroxyl reactor that is safe to view and causes no harm to occupants, pets, plants or possessions. The design uses space-saving U-shaped optics (ca. 5 linear ft.) to pack the most power possible within a compact unit.

Contaminated air is drawn through an odor-neutralizing pre-filter and a HEPA filter to trap most particulates. Next, the unit employs four black light (368-nm UV-A) optics along with 3 layers of nano-catalyst to produce hydroxyls that break down volatile organic compounds (VOCs) and other contaminants that pass through the unit's air flow. The machine's high static pressure centrifugal fan runs quietly, making it a good choice for occupied areas such as a client's home or business.

The Hydra QUAD XL can be left running continuously in occupied areas for as long as it takes to remove odors and break down contaminants. The unit has the latest PCO technology including safe-to-view TiO2-coated UVA lamps rated for 5,000-hours. BoiE's unique 360-surround permanent, nano-anatase TiO2 reactor grid produces the highest levels of hydroxyls possible without restricting airflow.

Bottom Line:
While less powerful than the Hydra PRO XL unit, the Hydra QUAD XL is great for cleaning occupied spaces when the unit can be run for longer periods of time, with or without occupants or workers present. Like all hydroxyl generators, the Hydra QUAD won't damage plants or sensitive materials. The powerful fan is quiet so it won't disturb a home or business. The QUAD XL is also a great machine to run during and after a mold remediation project to kill mold spores and to help pass mold clearance testing. The QUAD XL includes a direct injection version of BoiE's Ultrasonic Hydroxyl Accelerator accessory that turbocharges the airflow with moisture to maximize hydroxyl production in dry conditions.

Like all BoiE products, the HYDRA QUAD XL was designed by professionals for professionals to exceed, outlast and outperform the competition!

Hydroxyl Remediator Certification (Limited Time Offer)
Your purchase includes BoiE's exclusive 32-hour, comprehensive Ozone and Hydroxyl Remediator certification course. Learn how to utilize hydroxyl generation and properly apply ozone for odor removal, disinfection and restoration applications. Learn the protocols, how to identify and assess the source of odors, corrective measures and preparing treatment reports. Provides a path for starting a new business or expanding your current services. Course includes a helpful Online DVD with demonstration videos. You can enroll and simply use the course material as a reference if you don't need the certification.


  • Unbreakable, stackable rugged case
  • Padlock holes for added security
  • IPX7/MIL-STD810F and 512.4/IP6X Certifications
  • Wide track wheels and pull handle
  • Airline carry-on luggage compliant size
  • All-aluminum internal support frame for Hydroxyl Reactor
  • Reflective interior surface to increase hydroxyl production
  • HEPA Filter with built-In odor neutralizing particle pre-filter
  • Low-cost, common-sized, generic HEPA filter replacements
  • Air Scrubber with or without optics activated
  • Long-life 5,000 hour 368-nm UV-A (black light) optics with low power consumption
  • TiO2 Catalyst Grid surrounding optics allows maximum hydroxyl generation and airflow
  • Quiet UL listed centrifugal blower with overload-protection
  • Marine-grade straight blade inlet receptacle fits extension cords
  • GFCI-protected electrical outlet and internal wiring
  • Marine-grade tin-plated copper wiring
  • Waterproof heat shrink electrical crimp connectors
  • Anti-oxidant compound applied to copper wire connections
  • Overload-protected transformers
  • BoiE warranty which exceeds the industry standard


Type of Use:

Air purification treatments including allergens, smoke, mold and VOCs

Case Material:

Rugged polymer with stainless steel hinge pins

Case Type:

Crush-resistant, stackable, lockable, wheels and pull handle

Case Ratings:

IPX7/MIL-STD810F 512.4/IP6X Certifications


1-position, stand upright


Gray or Blue

Max Coverage:

4,000 sq ft with 10 ft ceilings


HEPA with built-in pre-filter

Air Scrubber:



365 CFM (max), shaded-pole centrifugal

Electrical Rating:

120V~60Hz 4.3 Amps


368-nm UV-A (black light) x 4 (no ozone)

PCO Reactor:

BoiE 4-Optic 360-surround Reactor


Permanent nano-anatase TiO2 (replaceable)
30%-85%+ Relative Humidity (RH)

Power Connection:

Straight Blade Inlet Receptacle, Marine-grade

Accessory Outlet:

Yes, GFCI-protected

Power Switch:

Switch 1 (Air Scrubber): ON/OFF
Switch 2 (Hydroxyl Generator): ON/OFF


24 x 16 x 10 inches


24 lbs


20 ft. grounded power cord
Ultrasonic Direct Injection Hydroxyl Accelerator


1. Aerosol and surface stability of HCoV-19 (SARS-CoV-2) compared to SARS-CoV-1. Neeltje van Doremalen, Trenton Bushmaker, Dylan Morris, Myndi Holbrook, Amandine Gamble, Brandi Williamson, Azaibi Tamin, Jennifer Harcourt, Natalie Thornburg, Susan Gerber, Jamie Lloyd-Smith, Emmie de Wit, Vincent Munster. medRxiv 2020.03.09.20033217; doi:
2. Foster, Howard & Ditta, Iram & Varghese, Sajnu & Steele, Alex. (2011). Photocatalytic disinfection using titanium dioxide: Spectrum and mechanism of antimicrobial activity. Table 7. Viruses shown to be killed by photocatalytic disinfection: SARS coronavirus. Applied Microbiology and Biotechnology. 90. 1847-68. 10.1007/s00253-011-3213-7.

Why Customers Trust BoiE

We have been in business since 1999 and are well-known throughout the indoor air quality (IAQ) industry. We are an EPA-Registered Establishment #99115-SD-1, offer environmental training and manufacture the best ozone generators and hydroxyl generators available. Customers receive a 30-day money-back guarantee, a 1-year unlimited warranty and lifetime customer support.

We take pride in our products and training and are always there to offer help and support. We know how much your business reputation depends on using reliable products with top-notch support if anything goes wrong. We are on the cutting edge of the industry and are always looking for ways to improve our products and offer you more value.

We build the best ozone and hydroxyl generators on the market today. Every unit is assembled in-house and goes through quality control and rigorous testing before we ship. If something goes wrong or wears out, we carry every part and will offer the best solution to get you up and running quickly. We take care of our customers!


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