
Clean Air Cure™ 90 – HVAC Air Distribution Sanitizing System (Up to 90 Days)
Clean Air Cure™ 90 is a controlled-release chlorine dioxide HVAC air treatment system designed for central air distribution homes. Each kit includes two 200g Tyvek pouches that insert into cold-air returns to help neutralize odors, reduce airborne contaminants, and support improved indoor air quality for up to 90 days.

Clean Air Cure™ 90 – HVAC Air Distribution Sanitizing System (Up to 90 Days)
Each pouch is designed for up to 90 days of active use.
After 90 days:
Consistent replacement ensures steady performance.
Clean Air Cure™ 90 is engineered specifically for central HVAC distribution systems.
This system uses enclosed Tyvek pouches containing chlorine dioxide-generating material that releases a controlled, low-level concentration of ClO₂ vapor into the return air stream. As air circulates through the HVAC system, the vapor disperses throughout the home.
Each kit includes:
The pouches are placed inside:
As your HVAC system operates:
This is not a masking fragrance system — it is a reactive air treatment approach.
Clean Air Cure™ 90 is intended for:
It is not intended for small single-room applications (see Starter Kit for that use).


When properly installed in HVAC returns, Clean Air Cure™ 90 helps:
Because the treatment circulates through ductwork, it reaches areas sprays cannot.
Cold-Air Returns
Insert one enclosed pouch into each return cavity (remove filter if applicable). Secure so airflow passes across the pouch.
Wall-Mount Heat Exchange Units
Remove cover and filter. Insert pouch behind filter and secure in place.
Supplemental Room Odor Treatment
In larger stagnant rooms, a pouch may be clipped in front of a fan set on low to accelerate circulation.

P.O. Box 34 Winterport, Maine 04496
If you need more information, or are a commercial buyer, please visit this parent site.