Specifications: 

1) Aluminum, light weight construction 

2) Telescopic adjustment to fit doors 25-47mm wide 

3) For doors and partitions where finished appearance is required on each side 

4) Welded inner and outer frames for strength 

5) Powder coated finish 

6) Includes: 

    a) Door grille 

    b) Ceiling diffuser 

    c) Return air grille with filter 

    d) Double deflection wall register 

    e) Waterproof louver 

    f) Fixed and removable deflection wall grille 

    g) Grille filter 

    h) Waterproof louver face