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Comfortable, Reusable Particulate Respirator Facemask by RZ Mask - Meets N95 & N99 StandardsAprilaire 6220 Specifications:
- Diameter: 20" (500mm)
- Integrated neoprene seal
- Blade position indicator
- Pressure adjustment L.E.D.
- 24 volt modulating actuator
- Solid state pressure sensor
- Adjustable pressure range - 0.17 to 2 inches
The 20" Duct Static Bypass - Aprilaire 6220 is a static pressure bypass damper with a round shape. The Aprilaire static bypass measures 20 inches in diameter and provides a heightened level of control for your zoning applications. This 20" static bypass is beneficial in large systems and those using variable speed.
