Filters series "EZF" are produced with connections G 3/8, G 1/2 and G 1; they are available with various degrees of filtration and with manual, semiautomatic or automatic condensate drainage system (except the size G 3/8). The techno-polymer bowls have a metallic protection as standard for the sizes G 1/2 and G 1, and made of glass stiffened nylon on request for the size G 3/8.