Protector Echo and Airo Filtered Fume Hoods Manual (2015-2020)

For models with the following part numbers manufactured between 2015 and August 2020.
180 Series – 4', 5', 6' and 8'
181 Series – 4', 5', 6' and 8' with side glass
182 Series – 4', 5', 6' and 8' with 360 degree visibility
183 Series – 4', 5', 6' and 8' Floor-Mount only
184 Series – 3' and 4' small height models only (Airo)