SYNERGY SMALL FLEX COIL (P#4522-131-81253) 4522-131-81253 Category: Philips Healthcare (Parts) Low Prices Price match guarantee Guaranteed Fitment. Always the correct part In-House Experts. We know our products Easy Returns. Quick & Hassle Free 4522-131-81253 – SYNERGY SMALL FLEX COIL Description Description SYNERGY SMALL FLEX COIL