The Pentair Whisperflo XF Wet End Assembly, Genuine Part # 400000, is a must-have for WhisperFlo and IntelliFlo XF Variable Speed Pumps. This Wet End Assembly includes Wet End Housing Lid and Locking Ring Assembly, Basket, Lid O-Ring, (2) Drain Plugs, and (2) Drain Plug O-Rings, all designed to keep your pool pump running smoothly. This genuine Pentair part is easy to install and will ensure your pool pump operates at peak performance. Get your Wet End Assembly today and enjoy a hassle-free pool experience!