Navien, Neutralizer, Light Commercial, GXXX001324 Designed to neutralize the condensate of up to:6 units NPE, NCB, NFC, NFB and NHB;3 units NFB-301C;2 units NFB-399C 1 year warranty from date of purchase.Navien, Neutralizer, Light Commercial, GXXX001324$268.80PriceOut of Stock