This RSPKU series spill kit refill has a 50-gallon container capacity. Along with meeting the standards for 29 CFR, 40 CFR, 49 CFR, this spill kit refill includes 101 absorbent pads, gloves, four absorbent pillows, five disposal bags and ties, 6 absorbent socks, 6 tamper proof seals, 7 inch epoxy stick, guide book, light stick, goggles, wheeled overpack, emergency response handbook/instructions, epoxy putty, and 100 pads. It is designed for use with SPKU Series.