Inspection hole D300 x 400mm, plastic, white

NASO inspection door for opening with dimensions 300 x 400 mm. It is made of high quality plastic. It is used in all ventilation and air conditioning systems.
Provides quick and convenient access to concealed equipment and/or utility lines. Inspection doors are also suitable for places in the home with high humidity. The construction allows easy installation and maintenance.
The inspection door is white.