Hagen is a family company, founded by Rolf C. Hagen in 1955. Hagen is one of the world's largest privately-owned, multi-national pet products manufacturer and distributor. Now german company owns more than 20 brands, including well known in aquaristic FLUVAL, Marina, Exo terra, Glo and many other brand produsing products for terrariums, birds, dogs, cats and other pets.