The 15 Gallon Stainless Steel Reservoir with Micron Filter from Buyers Products is made of high-quality 304 stainless steel with welded-on stainless steel mounting brackets. Its sleek, polished appearance will stand up to salt and weather for long lasting use and is great for winter spreader applications. The reservoir has several features for optimal fluid operation, including: – a quarter-turn chrome filler breather with a wire basket strainer – a sight fluid level and temperature gauge – an interior baffle between suction and discharge to aid in fluid cooling – a magnetic drain plug to aid in prevention of metallic particle contamination