Duff CompanyRequest A QuoteNorristown, PA | 610-275-4453
With the widest product selection of a leading water treatment supplier & the great customer service of a family-owned business, Duff offers residential, commercial & industrial water filtering equipment with 24-hour emergency service. Need a complete filtering system? We’ll design & build it for you! Our inventory is vast for your “one stop” shopping experience & we offer rapid deliveries.