FLI PL-16803 Mono CCD with class 2 sensor, coupled to a FLI 2-7 wheel and Astrodon 50mm unmounted LRGB & narrowband HA OII SII 5nm + Baader HB filters.
All large glass Kodak sensors (apart from class 0) will have hot pixels and column defects which are completly normal, when you combine dithering, the supplied calibration frames and good user software calibration practices they are a none issue in the final image.