Acquisition unit I.I.33 w/rot. (P#4776220) 4776220 Category: Siemens Healthcare Low Prices Price match guarantee Guaranteed Fitment. Always the correct part In-House Experts. We know our products Easy Returns. Quick & Hassle Free 4776220 – Acquisition unit I.I.33 w/rot. Description Description Acquisition unit I.I.33 w/rot.