• Standard Final Filters The basic housing is designed for standard 24' x 24" x 11½" HEPA filters or carbon adsorber cells. LENGE designs and manufactures a full line of HEPA filters and adsorber cells. 
• Door Details: Door showing gasket, also pictured are optional lifting lugs, pressure taps, and weather cover.

Containment System:

• Three Filters Per Door

  Units up to three filters wide are serviced through only one door. Two doors are furnished with units four through six filters wide, one on each side of the housing.

• External Locking Mechanism

  Filter seals can be “fine-tuned” as needed without opening the door. An optional security device is available to turn an external locking mechanism into an internal locking mechanism.

  This requires that the door be opened for the locking mechanism to be activated.

• Filter Module

  Pre filter -- Panel filter G4

  HEPA filter -- Gel sealed mini-pleated HEPA filter H14

  Fan modules includes 99.99% efficient HEPA filter to ensure clean working conditions.

Product schematic diagram: