PENGUIN STAINLESS STEEL VESSELS offer the esthetics and operational durability of stainless steel at affordable prices. We offer a broad selection of vessels in 304 and 316 stainless steel for a wide variety of commercial and industrial applications. From single cartridge and bag vessels with 3/4-inch or 1-inch FNPT connections to multiple cartridge and bag vessels with up to 4-inch FNPT connections in 10, 20, 30, or 40-inch lengths and available in 304 or 316 stainless steel. These vessels are ideal for high flow and/or high contaminant load applications and where clean effluent is critical. They can provide up to 1200 GPM and 150psi.