Walraven BISMAT 2000 pipe clamp, EPDM insert, M8/M10, electrolytically galvanized, 108 - 114 mm This can be prevented by

This can be prevented by flushing the drainage pipe annually

Connection: swivel x spigot

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This 45° T-piece is executed in 2x internal glue / 1x external glue and is used for rainwater drainage

In addition to this ducting

Walraven BISMAT 2000 pipe clamp, EPDM insert, M8/M10, electrolytically galvanized, 108 - 114 mm This can be prevented byThe Walraven BISMAT 2000 steel pipe clamp is used for a sound dampening attachment of a metal pipe to a wall or ceiling. This two screw clamp is equipped with a BISMAT quick lock. The sound dampening insert is made of black EPDM rubber and is age resistant. Quality marks Sound insulating properties tested according to DIN 4109. The sound insulation reduces sound transmission according to ISO 3822 1 by up to 23 dB(A). Tested for fire safety. Want to