Hazmat Sorbents are specifically designed to absorb aggressive fluids such as acids and bases. Use Hazmat Sorbents when the liquid is aggressive or unknown. They are ideal for use in laboratories or other areas where aggressive fluids are present. They can also be placed on fire trucks EMS vehicles and other emergency response equipment. NPS Spilfyter Hazmat Pillows have a large surface area with high-capacity and fast-wicking filler. They are ideal for use around machines or for absorbing spills in tight spaces.