Refill for PIG® Spill Kit in 20-Gallon ContainerDon't be caught with an empty spill kit when you need it most! Keep a refill handy to instantly replace used contents. Packed to refill your PIG Spill Kit in 20 Gallon Overpack Salvage Drum or 20 Gallon Container PIG Blue Socks stop spreading spills; PIG Mat and Pillows absorb quickly Temporary disposal bags help make cleanup easier Tamperproof seals help prevent pilfering of spill response supplies Only PIG Spill Kit Refills feature PIG Absorbents