Lady Rebel Durango Steel Toe Flag Work Boots Size:6 B The 40 Watt Clarifier Sterilizer is The 40 Watt Clarifier Sterilizer is Suitable For Small Ponds Up to 6000 Gallons Using Pumps Up to 3000 Gph and a removable cushion insert for extra breathability with moisture wicking technology – all set on a slip resisting rubber outsole for added durability and stability on wet or uneven surfaces A removable contoured ventilated cushion footbed offers even more comfort These boots are compliant with the ASTM F2413 Protective Toe Classification and the ASTM F2413 Electrical Hazard Standard which means your feet are protected from falling debris and keep the bottoms of your feet safe when stepping down on top of electrical equipment