■ Frame and trap door made of galvanised steel

■ With a snap closure

■ Circumferential low marginal gap just 1mm, the joint is equidistant beetween two rows of holes

■ Available for all common perforated panels, factory planking possible only when cutting whole GK perforated plates (1200x1200mm)

■ Special sizes available on request

■ When ordering, please specify perforation (for example 8/18)