Rubber pro gasket for sewage

Rubber pro gasket for sewage

The stepped seal is the best solution for making additional connections to the riser pipe of a PRO modular chamber.
Leak-proof up to a 5-meter water column.
Use 250–315 mm seals in stormwater chambers and with larger riser pipes
Recommended hole saw sizes:

• De110 connection – 137 mm hole saw
• De160 connection – 184 mm hole saw
• De200 connection – 225 mm hole saw
• De250 connection – 275 mm hole saw
• De315 connection – 340 mm hole saw