The RO3500GP pump is a vertical, upright pump for use in fountains, waterfalls, ponds and for general transfer and dewatering needs. The bottom feed design requires only two inches of water to begin pumping. The intake grill functions both as a pump pre-filter and base. The direct-drive motor is epoxy filled and contains no oil. Included tubing adaptor will accept 1-1/4 in tubing, 1 in and 3/4 in ID tubing. The threaded outlet will accept 1-1/4 M fittings also. Three (3) year warranty, UL approved for indoor and outdoor use.