N/A Quality of downstream air is dependent on the supply air. CO levels should be

continuously monitored with audible and visual alarms. Air quality

should be checked regularly to confirm Grade D specifications per

OSHA 29CFR1910.134

3-5 Week Lead Time

* This 3-stage filtration system is only a portion of a complete Grade breathing air system and should be used as such. Using these products does not guarantee Grade D breathing air. Quality of downstream air is dependent on the supply air. CO levels should be continuously monitored with audible and visual alarms. Air quality should be checked regularly to confirm Grade D specifications per OSHA 29CFR1910.134