PVC collar extension 206x206mm and stainless steel drain grate 138x138mm for HL72.1 and HL317 inlets and HL350, HL350.2 extensions. HL66P

### Drainage grate extension.

This extension with a PVC collar and a stainless steel drainage grate is a practical solution for extending and finishing inlets of the HL72.1 and HL317 series, as well as HL350 and HL350.2 extensions. It allows you to adjust the height of the element to specific installation needs, which is particularly useful for uneven terrain or specific design requirements.

### Design and application

The extension consists of a socket frame made of PVC and a drainage grate made of high-quality stainless steel. PVC provides resistance to corrosion and atmospheric factors, and stainless steel guarantees the durability of the grate and its aesthetic appearance. The ability to adjust the height by cutting off a fragment of the extension provides