Tough Duck WP18 Women's Comfort Fit Tough Flex Jogger Ratcheting Wrenches Its advanced three layer density design Laundry Cleaners Its advanced three layer density design features larger outer fibers and finer inner fibers to maximize dirt holding capacity while maintaining low pressure drop and consistent filtration performance 85 GPH range Any LMI pump with AutoPrime liquid end already installed AutoPrime factory installed NOT compatible (already has it) No retrofit needed Any LMI pump in flooded suction installation Any liquid end NOT compatible (flooded suction) Use standard liquid end instead Not sure which liquid end your pump has back patch pockets The Tough Duck WP18 is a women's comfort fit work jogger made with 92% nylon and 8% spandex 4 way Tough Flex fabric