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![Photo Hutterer & Lechner Ventpipe with integrated thermal insulation and massive lip-seal, DN75/90/110 [Code number: HL 901]](/system/products/photos/000/005/196/original/hl_901-photo.jpg?1461296525)
Ventpipe HL 900NECO is designed for installation in unventilated sewer risers. The device does not allow polluted air penetrate into the room. This ventpipe is equipped with a removable insect screen, it is made of polypropylene. Diameter of the ventpipe is 75/90/110 mm. Also, it has a rubber membrane and integrated double insulation. Capacity is 32 l/s. It is installed vertically on top of riser.
| Diameter | Material | Capacity | Weight |
|---|---|---|---|
| DN, mm | l/s | gr | |
| 75 90 110 |
polypropylene | 32 | 362 |
Download data sheet: 
Ventpipe HL 901
![Photo Hutterer Lechner Safety net for HL 901 [Code number: HL 0901.1E]](/system/products/photos/000/041/129/original/HL0901.1E-photo.jpg?1581168178)
Hutterer Lechner Safety net for HL 901 [Code number: HL 0901.1E]
![Photo Hutterer Lechner Gasket for HL 901 [Code number: HL 01101D]](/system/products/photos/000/041/130/original/HL01101D-photo.jpg?1581168188)
Hutterer Lechner Gasket for HL 901 [Code number: HL 01101D]
![Draft Hutterer & Lechner Ventpipe with integrated thermal insulation and massive lip-seal, DN75/90/110 [Code number: HL 901]](/system/products/drafts/000/005/196/original/hl_901-draft.jpg?1461294440)