Emptying hole

Plasticized steel lid. GAS threaded PVC plug.

Top distribution

Polyester diffusers with PVC pipes. Distribution according to requirements / media (Sand, active carbon, etc...)

Supports

Polyester supports. Horizontal filters can be ordered without supports

Elliptical manhole

Polyester casted elliptical manhole. Internal pressure locking. Manhole orientation according to needs

Lifting device

Steel lifting device