AC Infinity Filter Box – High-Efficacy Inline Air Filtration System
AC Infinity Filter Box – High-Efficacy Inline Air Filtration System - 4” is backordered and will ship as soon as it is back in stock.
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The AC Infinity Filter Box is a professional-grade intake air filtration system designed for use with inline duct fans. It blocks dust, fumes, and fine particles (0.3–1.0 micron) from entering your grow space, home, or workshop — circulating cleaner, fresher air throughout.
Available in three duct sizes to suit a range of airflow requirements, from compact setups to large-scale environments.
Key Features
- High-efficacy filter with FPR Rating 10 and MPR Rating 1500–1900
- Blocks 0.3–1.0 micron particles including dust, fumes, and dirt
- Compatible with standard inline duct fans
- Suitable for homes, workshops, and controlled environment agriculture
- Replaceable filter design for ongoing maintenance
Specifications
| Model | Duct Opening | Max Airflow | FPR Rating | MPR Rating | Filter |
|---|---|---|---|---|---|
| Filter Box 4 | Ø4" (10.2 cm) | 400 CFM | 10 | 1500–1900 | High Efficacy |
| Filter Box 8 | Ø8" (20.3 cm) | 1600 CFM | 10 | 1500–1900 | High Efficacy |
| Filter Box 10 | Ø10" (24.7 cm) | 2400 CFM | 10 | 1500–1900 | High Efficacy |








