Pipes with no foul smell

In-wall plumbing & electrical

Pipes with no foul smell

Pipes that give off no foul smell - 3-layer odour protection.

Suggestion

Odour-proof floor drain; a "con thỏ" odour trap below the floor drain; a "con thỏ" odour trap or sealing cover at the manhole. Stainless steel 304 manhole access cover with an odour-tight gasket, able to take vehicles driving over it.