Vertical extension kit 750x750x750 mm for modular chamber 270750 170750 DKC

Vertical expansion module 750x375mm, includes 1 corner fastener. Designed to replace a damaged module or increase the standard height by 375mm in cable duct manholes 750x375x750 (art.270375) and 750x750x750 (art.270750). To increase the height of the 750x375x750 (art.270375) manhole, you need to take: 2 sets of 375x375mm modules (art.170375) and 2 sets of 375x750mm modules (art.170750). To increase the height of the 750x750x750 (art.270750) manhole, you need to take 4 sets of 375x750mm modules (art.170750).