Interhol Extensions 

Extension ID 1000

Wanting to satisfy every height, Interhol manholes are equipped  with 5 different extensions. That can be easily joined in order to achieve the wanted height.

The supreme strength and the long lifetime of our product is not guaranteed only with the high quality material.

Our extraordinary design with particular attention given to the horizontal and vertical ribs make the product statically enduring.

ElementHID
EX 250.10003101000
EX 500.10005351000
EX 750.10007701000
EX 1000.100010201000
ex_250_1000
EX_250_1000T
ex_500_1000
EX_500_1000T
ex_750_1000
EX_750_1000T
ex_1000_1000
EX_1000_1000T

Cascade extension ID 1000 

This product is specially designed for making cascade manhole, to allow connection of the input pipes of the required height.

ElementHIDInput
KAS EX 500.10005351000OD/ID 110-OD 400
Kaskaden-prodolzetokt
kaskaden_prodolzetok
kaskaden_prodolzetok-1