Fully functional, very clean. Compact centrifugal magnetic drive pump by March, model 893-004-10. 24 VDC Papst brushless open air motor. Specifications: Max flow 2.7 gpm - 11 lpm, max head 10.6 ft / 4.5 psi-3.3 m, 3/8" FPT inlet, 3/8" OD outlet, max internal pressure 50 psi - 344 kPa. Small size 4 1/4 x 3 1/8 x 2 1/4 inches.