The Little Giant NK-1 is for commercial, industrial, and home use worldwide where liquid must be transferred or recirculated. 210 GPH @ 1 ft. Corrosion-resistant nylon housing. Sump-type screened inlet. Operates submersed. 1/4" MNPT outlet accepts 1/2" I.D. tubing. Thermally protected. Bottom or side intake. Manufacturer Item No. 526003. One year limited warranty. Permanently lubricated pumps for commercial, industrial and home use where liquid must be transferred or recirculated. Applications include hydroponic systems, water gardens, ponds, etc. Sump-type screened inlet. Bottom or side intake. Sump-type screened inlet. Corrosion-resistant nylon housing. 1/4 in MNPT outlet accepts 1/2 in I.D. tubing. Thermally protected. Bottom or side intake. Manufacturer Item No. 526003.