Description
The Dranjer F-N2 is a special designed floor drain valve which lets liquid drain in, but prevents gases (radon, sewer odours) and bugs from coming up. F-N2 is suitable for installation alongside a sub-slab depressurization system drawing up to 0.9 inches of water column (measured at the drain). We recommend this product in new construction or in newer homes fitted with a suitable 2″ drain pipe.
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