E20454 - Reflector for retro-reflective sensors - ifm
Amazon.com: Seco-Larm E-931ACC-RC1Q Round Reflector for Photoelectric Beam Sensors, 3" diameter for improved reflection of IR beam, Screws directly into reflector hood : Electronics
Amazon.com: AECO Photoelectric Sensor, Large Reflector for Polarized Reflective photoelectric sensors, 180% Rated Sensing Distance, Square, 100 mm X 100 mm : Electronics