Negative pressure Construction unit H-1990 LV
Description
Demolition...Construction...Dust control...Site under negative pressure...
Characteristics
The H1990 VL model has a 6” narrower cabinet than the H2000L model, with the same motor and blower and virtually identical construction and controls.
Filtration Sequence
Hooked up to the front door
PSQ panel – 18 x 24
Inside the door
Perfect Pleat Ultra 18 x 24 x 2
Inside the cabinet
Hepa filter 99.97% - 18 x 24 x 11½
Behind the Hepa filter
Fan and motor
In the back
12” circular exhaust
Specifications
Variable Speeds: 300cfm to 1800cfm
Amber Filter-Change Indicator Lamp
Pop-Out Circuit Breaker
Two Fixed & Two Locking 4” Swivel casters
Attached Exhaust Collar for 12” Flex duct
Accessories
BDQ reinforced duct: 12” x 25’
Window adaptor with 12” collars