Gasket for FR 16 WP Art. No. 2118 Enlarge image For watertight mounting of FR 16 WP 4 OHM (black) and FR 16 WP 4 OHM (white). Sketch Enlarge image Any questions? Accessory from: FR 16 WP - 4 Ohm (weiß)FR 16 WP - 4 Ohm (schwarz)